915413812 has 12 divisors (see below), whose sum is σ = 1602248256. Its totient is φ = 457628600.

The previous prime is 915413809. The next prime is 915413819. The reversal of 915413812 is 218314519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915413819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12603 + ... + 44605.

It is an arithmetic number, because the mean of its divisors is an integer number (133520688).

Almost surely, 2^915413812 is an apocalyptic number.

It is an amenable number.

915413812 is a deficient number, since it is larger than the sum of its proper divisors (686834444).

915413812 is a wasteful number, since it uses less digits than its factorization.

915413812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39158 (or 39156 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 915413812 is about 30255.8062526848. The cubic root of 915413812 is about 970.9700191166.

The spelling of 915413812 in words is "nine hundred fifteen million, four hundred thirteen thousand, eight hundred twelve".