85312392 has 64 divisors (see below), whose sum is σ = 246369600. Its totient is φ = 24330240.

The previous prime is 85312391. The next prime is 85312397. The reversal of 85312392 is 29321358.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (85312391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5017 + ... + 13992.

It is an arithmetic number, because the mean of its divisors is an integer number (3849525).

Almost surely, 2^85312392 is an apocalyptic number.

It is an amenable number.

85312392 is an abundant number, since it is smaller than the sum of its proper divisors (161057208).

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

85312392 is a wasteful number, since it uses less digits than its factorization.

85312392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19046 (or 19042 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 85312392 is about 9236.4707545685. The cubic root of 85312392 is about 440.2209496358.

The spelling of 85312392 in words is "eighty-five million, three hundred twelve thousand, three hundred ninety-two".