38915072 has 88 divisors (see below), whose sum is σ = 91378080. Its totient is φ = 16220160.

The previous prime is 38915069. The next prime is 38915077. The reversal of 38915072 is 27051983.

It is not an unprimeable number, because it can be changed into a prime (38915077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437204 + ... + 437292.

Almost surely, 2^38915072 is an apocalyptic number.

38915072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38915072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45689040).

38915072 is an abundant number, since it is smaller than the sum of its proper divisors (52463008).

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

38915072 is an equidigital number, since it uses as much as digits as its factorization.

38915072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 38915072 is about 6238.1946106225. The cubic root of 38915072 is about 338.8748040291.

The spelling of 38915072 in words is "thirty-eight million, nine hundred fifteen thousand, seventy-two".