38343972 has 12 divisors (see below), whose sum is σ = 89469296. Its totient is φ = 12781320.

The previous prime is 38343941. The next prime is 38343983. The reversal of 38343972 is 27934383.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-5 number, since 5×38343972⁵ (a number of 39 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38343972.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597654 + ... + 1597677.

Almost surely, 2^38343972 is an apocalyptic number.

It is an amenable number.

38343972 is an abundant number, since it is smaller than the sum of its proper divisors (51125324).

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

38343972 is a wasteful number, since it uses less digits than its factorization.

38343972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195338 (or 3195336 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 38343972 is about 6192.2509639064. The cubic root of 38343972 is about 337.2089034572.

The spelling of 38343972 in words is "thirty-eight million, three hundred forty-three thousand, nine hundred seventy-two".