38331516 has 12 divisors (see below), whose sum is σ = 89440232. Its totient is φ = 12777168.

The previous prime is 38331487. The next prime is 38331523. The reversal of 38331516 is 61513383.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597135 + ... + 1597158.

Almost surely, 2^38331516 is an apocalyptic number.

It is an amenable number.

38331516 is an abundant number, since it is smaller than the sum of its proper divisors (51108716).

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

38331516 is a wasteful number, since it uses less digits than its factorization.

38331516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194300 (or 3194298 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 38331516 is about 6191.2451090229. The cubic root of 38331516 is about 337.1723855137.

Adding to 38331516 its reverse (61513383), we get a palindrome (99844899).

The spelling of 38331516 in words is "thirty-eight million, three hundred thirty-one thousand, five hundred sixteen".