38093904 has 60 divisors (see below), whose sum is σ = 107501056. Its totient is φ = 12591936.

The previous prime is 38093903. The next prime is 38093927. The reversal of 38093904 is 40939083.

It is a super-2 number, since 2×38093904² = 2902291043922432, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38093903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17247 + ... + 19329.

Almost surely, 2^38093904 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 38093904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53750528).

38093904 is an abundant number, since it is smaller than the sum of its proper divisors (69407152).

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

38093904 is a wasteful number, since it uses less digits than its factorization.

38093904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 38093904 is about 6172.0259234712. The cubic root of 38093904 is about 336.4742452803.

The spelling of 38093904 in words is "thirty-eight million, ninety-three thousand, nine hundred four".