84704920 has 16 divisors (see below), whose sum is σ = 190586160. Its totient is φ = 33881952.

The previous prime is 84704909. The next prime is 84704933. The reversal of 84704920 is 2940748.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 1058772 + ... + 1058851.

It is an arithmetic number, because the mean of its divisors is an integer number (11911635).

Almost surely, 2^84704920 is an apocalyptic number.

It is an amenable number.

84704920 is an abundant number, since it is smaller than the sum of its proper divisors (105881240).

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

84704920 is a wasteful number, since it uses less digits than its factorization.

84704920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117634 (or 2117630 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 84704920 is about 9203.5275845732. The cubic root of 84704920 is about 439.1735865328.

The spelling of 84704920 in words is "eighty-four million, seven hundred four thousand, nine hundred twenty".