85904992 has 12 divisors (see below), whose sum is σ = 169125516. Its totient is φ = 42952480.

The previous prime is 85904983. The next prime is 85904993. The reversal of 85904992 is 29940958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85904993) 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 as a sum of consecutive naturals, namely, 1342234 + ... + 1342297.

It is an arithmetic number, because the mean of its divisors is an integer number (14093793).

Almost surely, 2^85904992 is an apocalyptic number.

It is an amenable number.

85904992 is a deficient number, since it is larger than the sum of its proper divisors (83220524).

85904992 is a wasteful number, since it uses less digits than its factorization.

85904992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684541 (or 2684533 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 85904992 is about 9268.4945918957. The cubic root of 85904992 is about 441.2378914733.

The spelling of 85904992 in words is "eighty-five million, nine hundred four thousand, nine hundred ninety-two".