39157216 has 48 divisors (see below), whose sum is σ = 90961920. Its totient is φ = 16237440.

The previous prime is 39157193. The next prime is 39157243. The reversal of 39157216 is 61275193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4125 + ... + 9763.

It is an arithmetic number, because the mean of its divisors is an integer number (1895040).

Almost surely, 2^39157216 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 39157216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45480960).

39157216 is an abundant number, since it is smaller than the sum of its proper divisors (51804704).

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

39157216 is a wasteful number, since it uses less digits than its factorization.

39157216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5687 (or 5679 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 39157216 is about 6257.5726923465. The cubic root of 39157216 is about 339.5762194185.

The spelling of 39157216 in words is "thirty-nine million, one hundred fifty-seven thousand, two hundred sixteen".