84979632 has 20 divisors (see below), whose sum is σ = 219530840. Its totient is φ = 28326528.

The previous prime is 84979627. The next prime is 84979667. The reversal of 84979632 is 23697948.

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: 1770409 = 84979632 / (8 + 4 + 9 + 7 + 9 + 6 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885157 + ... + 885252.

It is an arithmetic number, because the mean of its divisors is an integer number (10976542).

Almost surely, 2^84979632 is an apocalyptic number.

It is an amenable number.

84979632 is an abundant number, since it is smaller than the sum of its proper divisors (134551208).

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

84979632 is a wasteful number, since it uses less digits than its factorization.

84979632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770420 (or 1770414 counting only the distinct ones).

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

The square root of 84979632 is about 9218.4397812211. The cubic root of 84979632 is about 439.6478449488.

The spelling of 84979632 in words is "eighty-four million, nine hundred seventy-nine thousand, six hundred thirty-two".