38039928 has 32 divisors (see below), whose sum is σ = 95679360. Its totient is φ = 12602720.

The previous prime is 38039927. The next prime is 38039941. The reversal of 38039928 is 82993083.

38039928 is nontrivially palindromic in base 15.

It is a super-2 number, since 2×38039928² = 2894072244490368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38039928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38039927) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 738 + ... + 8753.

It is an arithmetic number, because the mean of its divisors is an integer number (2989980).

Almost surely, 2^38039928 is an apocalyptic number.

It is an amenable number.

38039928 is an abundant number, since it is smaller than the sum of its proper divisors (57639432).

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

38039928 is a wasteful number, since it uses less digits than its factorization.

38039928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9667 (or 9663 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 38039928 is about 6167.6517411410. The cubic root of 38039928 is about 336.3152511760.

It can be divided in two parts, 3803 and 9928, that added together give a palindrome (13731).

The spelling of 38039928 in words is "thirty-eight million, thirty-nine thousand, nine hundred twenty-eight".