84890576 has 20 divisors (see below), whose sum is σ = 164944800. Its totient is φ = 42324192.

The previous prime is 84890573. The next prime is 84890591. The reversal of 84890576 is 67509848.

It is a super-2 number, since 2×84890576² = 14412819787223552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 84890576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84890573) 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, 1646 + ... + 13133.

It is an arithmetic number, because the mean of its divisors is an integer number (8247240).

Almost surely, 2^84890576 is an apocalyptic number.

It is an amenable number.

84890576 is a deficient number, since it is larger than the sum of its proper divisors (80054224).

84890576 is a wasteful number, since it uses less digits than its factorization.

84890576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15146 (or 15140 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 84890576 is about 9213.6081965753. The cubic root of 84890576 is about 439.4942121992.

The spelling of 84890576 in words is "eighty-four million, eight hundred ninety thousand, five hundred seventy-six".