38739408 has 20 divisors (see below), whose sum is σ = 100076928. Its totient is φ = 12913120.

The previous prime is 38739401. The next prime is 38739443. The reversal of 38739408 is 80493783.

38739408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38739408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38739401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 403488 + ... + 403583.

Almost surely, 2^38739408 is an apocalyptic number.

It is an amenable number.

38739408 is an abundant number, since it is smaller than the sum of its proper divisors (61337520).

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

38739408 is a wasteful number, since it uses less digits than its factorization.

38739408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807082 (or 807076 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 38739408 is about 6224.0989709355. The cubic root of 38739408 is about 338.3641372834.

The spelling of 38739408 in words is "thirty-eight million, seven hundred thirty-nine thousand, four hundred eight".