915128652 has 48 divisors (see below), whose sum is σ = 2162184192. Its totient is φ = 301217280.

The previous prime is 915128639. The next prime is 915128663. The reversal of 915128652 is 256821519.

It is a super-2 number, since 2×915128652² = 1674920899422674208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 915128652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004077 + ... + 1004987.

It is an arithmetic number, because the mean of its divisors is an integer number (45045504).

Almost surely, 2^915128652 is an apocalyptic number.

It is an amenable number.

915128652 is an abundant number, since it is smaller than the sum of its proper divisors (1247055540).

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

915128652 is a wasteful number, since it uses less digits than its factorization.

915128652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878 (or 1876 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 915128652 is about 30251.0934017268. The cubic root of 915128652 is about 970.8691865523.

The spelling of 915128652 in words is "nine hundred fifteen million, one hundred twenty-eight thousand, six hundred fifty-two".