38720604 has 72 divisors (see below), whose sum is σ = 99754032. Its totient is φ = 11681280.

The previous prime is 38720593. The next prime is 38720623. The reversal of 38720604 is 40602783.

38720604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123552 + ... + 123864.

Almost surely, 2^38720604 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 38720604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49877016).

38720604 is an abundant number, since it is smaller than the sum of its proper divisors (61033428).

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

38720604 is a wasteful number, since it uses less digits than its factorization.

38720604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 38720604 is about 6222.5882074905. The cubic root of 38720604 is about 338.3093814219.

The spelling of 38720604 in words is "thirty-eight million, seven hundred twenty thousand, six hundred four".