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3807669 = 31269223
BaseRepresentation
bin1110100001100110110101
321011110010210
432201212311
51433321134
6213340033
744236035
oct16414665
97143123
103807669
112170838
121337619
13a34178
147118c5
155032e9
hex3a19b5

3807669 has 4 divisors (see below), whose sum is σ = 5076896. Its totient is φ = 2538444.

The previous prime is 3807649. The next prime is 3807689. The reversal of 3807669 is 9667083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3807649) and next prime (3807689).

It is not a de Polignac number, because 3807669 - 28 = 3807413 is a prime.

It is a super-2 number, since 2×38076692 = 28996686427122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

3807669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3807649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634609 + ... + 634614.

It is an arithmetic number, because the mean of its divisors is an integer number (1269224).

Almost surely, 23807669 is an apocalyptic number.

It is an amenable number.

3807669 is a deficient number, since it is larger than the sum of its proper divisors (1269227).

3807669 is a wasteful number, since it uses less digits than its factorization.

3807669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269226.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 3807669 is about 1951.3249344996. The cubic root of 3807669 is about 156.1539817539.

The spelling of 3807669 in words is "three million, eight hundred seven thousand, six hundred sixty-nine".

Divisors: 1 3 1269223 3807669