38162904 has 72 divisors (see below), whose sum is σ = 104386860. Its totient is φ = 11621376.

The previous prime is 38162903. The next prime is 38162921. The reversal of 38162904 is 40926183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38162903) 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 17 ways as a sum of consecutive naturals, for example, 393384 + ... + 393480.

Almost surely, 2^38162904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38162904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52193430).

38162904 is an abundant number, since it is smaller than the sum of its proper divisors (66223956).

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

38162904 is a wasteful number, since it uses less digits than its factorization.

38162904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 38162904 is about 6177.6131312992. The cubic root of 38162904 is about 336.6772761854.

The spelling of 38162904 in words is "thirty-eight million, one hundred sixty-two thousand, nine hundred four".