915819372 has 96 divisors (see below), whose sum is σ = 2588877760. Its totient is φ = 281755584.

The previous prime is 915819371. The next prime is 915819397. The reversal of 915819372 is 273918519.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (915819371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109698 + ... + 117750.

Almost surely, 2^915819372 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 915819372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294438880).

915819372 is an abundant number, since it is smaller than the sum of its proper divisors (1673058388).

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

915819372 is a wasteful number, since it uses less digits than its factorization.

915819372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091 (or 8071 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 915819372 is about 30262.5076951663. The cubic root of 915819372 is about 971.1133890535.

The spelling of 915819372 in words is "nine hundred fifteen million, eight hundred nineteen thousand, three hundred seventy-two".