38139604 has 6 divisors (see below), whose sum is σ = 66744314. Its totient is φ = 19069800.

The previous prime is 38139601. The next prime is 38139613. The reversal of 38139604 is 40693183.

It can be written as a sum of positive squares in only one way, i.e., 36626704 + 1512900 = 6052^2 + 1230^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38139604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38139601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4767447 + ... + 4767454.

Almost surely, 2^38139604 is an apocalyptic number.

It is an amenable number.

38139604 is a deficient number, since it is larger than the sum of its proper divisors (28604710).

38139604 is a wasteful number, since it uses less digits than its factorization.

38139604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9534905 (or 9534903 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 38139604 is about 6175.7270017383. The cubic root of 38139604 is about 336.6087438609.

The spelling of 38139604 in words is "thirty-eight million, one hundred thirty-nine thousand, six hundred four".