38872930 has 8 divisors (see below), whose sum is σ = 69971292. Its totient is φ = 15549168.

The previous prime is 38872919. The next prime is 38872943. The reversal of 38872930 is 3927883.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38651089 + 221841 = 6217^2 + 471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×38872930² = 3022209373569800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943637 + ... + 1943656.

Almost surely, 2^38872930 is an apocalyptic number.

38872930 is a deficient number, since it is larger than the sum of its proper divisors (31098362).

38872930 is a wasteful number, since it uses less digits than its factorization.

38872930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887300.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 38872930 is about 6234.8159555836. The cubic root of 38872930 is about 338.7524348168.

The spelling of 38872930 in words is "thirty-eight million, eight hundred seventy-two thousand, nine hundred thirty".