38639316 has 24 divisors (see below), whose sum is σ = 90314784. Its totient is φ = 12857440.

The previous prime is 38639309. The next prime is 38639329. The reversal of 38639316 is 61393683.

38639316 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 7 ways as a sum of consecutive naturals, for example, 5371 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (3763116).

Almost surely, 2^38639316 is an apocalyptic number.

It is an amenable number.

38639316 is an abundant number, since it is smaller than the sum of its proper divisors (51675468).

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

38639316 is a wasteful number, since it uses less digits than its factorization.

38639316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591 (or 5589 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 38639316 is about 6216.0530885764. The cubic root of 38639316 is about 338.0724725844.

The spelling of 38639316 in words is "thirty-eight million, six hundred thirty-nine thousand, three hundred sixteen".