87346992 has 20 divisors (see below), whose sum is σ = 225646520. Its totient is φ = 29115648.

The previous prime is 87346991. The next prime is 87346997. The reversal of 87346992 is 29964378.

It is a super-2 number, since 2×87346992² = 15258994022896128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1819729 = 87346992 / (8 + 7 + 3 + 4 + 6 + 9 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (87346991) 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, 909817 + ... + 909912.

It is an arithmetic number, because the mean of its divisors is an integer number (11282326).

Almost surely, 2^87346992 is an apocalyptic number.

It is an amenable number.

87346992 is an abundant number, since it is smaller than the sum of its proper divisors (138299528).

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

87346992 is a wasteful number, since it uses less digits than its factorization.

87346992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819740 (or 1819734 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 87346992 is about 9345.9612667719. The cubic root of 87346992 is about 443.6930757636.

The spelling of 87346992 in words is "eighty-seven million, three hundred forty-six thousand, nine hundred ninety-two".