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3678401 = 4198779
BaseRepresentation
bin1110000010000011000001
320220212211002
432002003001
51420202101
6210501345
743160126
oct16020301
96825732
103678401
112092701
121294855
139ba38c
146ba74d
154c9d6b
hex3820c1

3678401 has 4 divisors (see below), whose sum is σ = 3687600. Its totient is φ = 3669204.

The previous prime is 3678391. The next prime is 3678407. The reversal of 3678401 is 1048763.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1048763 = 3532971.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3678401 is a prime.

It is a deceptive number, since it divides R3678400.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3678407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3971 + ... + 4808.

It is an arithmetic number, because the mean of its divisors is an integer number (921900).

Almost surely, 23678401 is an apocalyptic number.

It is an amenable number.

3678401 is a deficient number, since it is larger than the sum of its proper divisors (9199).

3678401 is an equidigital number, since it uses as much as digits as its factorization.

3678401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9198.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3678401 is about 1917.9157958576. The cubic root of 3678401 is about 154.3664881362.

The spelling of 3678401 in words is "three million, six hundred seventy-eight thousand, four hundred one".

Divisors: 1 419 8779 3678401