38916320 has 24 divisors (see below), whose sum is σ = 91940184. Its totient is φ = 15566464.

The previous prime is 38916263. The next prime is 38916323. The reversal of 38916320 is 2361983.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38916323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121454 + ... + 121773.

It is an arithmetic number, because the mean of its divisors is an integer number (3830841).

Almost surely, 2^38916320 is an apocalyptic number.

It is an amenable number.

38916320 is an abundant number, since it is smaller than the sum of its proper divisors (53023864).

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

38916320 is a wasteful number, since it uses less digits than its factorization.

38916320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243242 (or 243234 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 38916320 is about 6238.2946387615. The cubic root of 38916320 is about 338.8784265435.

The spelling of 38916320 in words is "thirty-eight million, nine hundred sixteen thousand, three hundred twenty".