3679638 has 32 divisors (see below), whose sum is σ = 7729152. Its totient is φ = 1166400.

The previous prime is 3679603. The next prime is 3679649. The reversal of 3679638 is 8369763.

It is a super-2 number, since 2×3679638² = 27079471622088, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3679638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13443 + ... + 13713.

It is an arithmetic number, because the mean of its divisors is an integer number (241536).

Almost surely, 2^3679638 is an apocalyptic number.

3679638 is an abundant number, since it is smaller than the sum of its proper divisors (4049514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3679638 is a wasteful number, since it uses less digits than its factorization.

3679638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its digits is 163296, while the sum is 42.

The square root of 3679638 is about 1918.2382542323. The cubic root of 3679638 is about 154.3837900331.

The spelling of 3679638 in words is "three million, six hundred seventy-nine thousand, six hundred thirty-eight".