34638156 has 36 divisors (see below), whose sum is σ = 100066512. Its totient is φ = 9896544.

The previous prime is 34638143. The next prime is 34638173. The reversal of 34638156 is 65183643.

34638156 is a `hidden beast` number, since 3 + 4 + 638 + 15 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 34638156.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68475 + ... + 68978.

Almost surely, 2^34638156 is an apocalyptic number.

34638156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

34638156 is an abundant number, since it is smaller than the sum of its proper divisors (65428356).

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

34638156 is a wasteful number, since it uses less digits than its factorization.

34638156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137470 (or 137465 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 34638156 is about 5885.4189315630. The cubic root of 34638156 is about 325.9754708230.

The spelling of 34638156 in words is "thirty-four million, six hundred thirty-eight thousand, one hundred fifty-six".