87415392 has 24 divisors (see below), whose sum is σ = 229465656. Its totient is φ = 29138432.

The previous prime is 87415373. The next prime is 87415421. The reversal of 87415392 is 29351478.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 87415392.

It is a congruent number.

It is an unprimeable number.

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, 455193 + ... + 455384.

It is an arithmetic number, because the mean of its divisors is an integer number (9561069).

Almost surely, 2^87415392 is an apocalyptic number.

It is an amenable number.

87415392 is an abundant number, since it is smaller than the sum of its proper divisors (142050264).

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

87415392 is a wasteful number, since it uses less digits than its factorization.

87415392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910590 (or 910582 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 87415392 is about 9349.6198853215. The cubic root of 87415392 is about 443.8088618077.

The spelling of 87415392 in words is "eighty-seven million, four hundred fifteen thousand, three hundred ninety-two".