38404904 has 16 divisors (see below), whose sum is σ = 76245300. Its totient is φ = 18072832.

The previous prime is 38404901. The next prime is 38404957. The reversal of 38404904 is 40940483.

It can be written as a sum of positive squares in 2 ways, for example, as 38316100 + 88804 = 6190^2 + 298^2 .

It is not an unprimeable number, because it can be changed into a prime (38404901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141059 + ... + 141330.

Almost surely, 2^38404904 is an apocalyptic number.

38404904 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38404904 is a deficient number, since it is larger than the sum of its proper divisors (37840396).

38404904 is a wasteful number, since it uses less digits than its factorization.

38404904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282412 (or 282408 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 38404904 is about 6197.1690310980. The cubic root of 38404904 is about 337.3874272934.

The spelling of 38404904 in words is "thirty-eight million, four hundred four thousand, nine hundred four".