915840112 has 20 divisors (see below), whose sum is σ = 1935753336. Its totient is φ = 416290880.

The previous prime is 915840103. The next prime is 915840119. The reversal of 915840112 is 211048519.

It is a happy number.

915840112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×915840112² = 1677526221496345088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915840119) 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, 2601643 + ... + 2601994.

Almost surely, 2^915840112 is an apocalyptic number.

It is an amenable number.

915840112 is an abundant number, since it is smaller than the sum of its proper divisors (1019913224).

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

915840112 is a wasteful number, since it uses less digits than its factorization.

915840112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203656 (or 5203650 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 915840112 is about 30262.8503614580. The cubic root of 915840112 is about 971.1207197348.

The spelling of 915840112 in words is "nine hundred fifteen million, eight hundred forty thousand, one hundred twelve".