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3678969 = 37229863
BaseRepresentation
bin1110000010001011111001
320220220121010
432002023321
51420211334
6210504133
743161600
oct16021371
96826533
103678969
112093078
121295049
139ba708
146baa37
154ca0e9
hex3822f9

3678969 has 24 divisors (see below), whose sum is σ = 5909760. Its totient is φ = 2027424.

The previous prime is 3678967. The next prime is 3678973. The reversal of 3678969 is 9698763.

It is a happy number.

3678969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3678969 - 21 = 3678967 is a prime.

It is a super-2 number, since 2×36789692 = 27069625805922, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3678967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3832 + ... + 4694.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

Almost surely, 23678969 is an apocalyptic number.

It is an amenable number.

3678969 is a deficient number, since it is larger than the sum of its proper divisors (2230791).

3678969 is a wasteful number, since it uses less digits than its factorization.

3678969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 902 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 3678969 is about 1918.0638675498. The cubic root of 3678969 is about 154.3744332236.

The spelling of 3678969 in words is "three million, six hundred seventy-eight thousand, nine hundred sixty-nine".

Divisors: 1 3 7 21 29 49 87 147 203 609 863 1421 2589 4263 6041 18123 25027 42287 75081 126861 175189 525567 1226323 3678969