84628904 has 8 divisors (see below), whose sum is σ = 158679210. Its totient is φ = 42314448.

The previous prime is 84628897. The next prime is 84628919. The reversal of 84628904 is 40982648.

It can be written as a sum of positive squares in only one way, i.e., 56220004 + 28408900 = 7498^2 + 5330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5289299 + ... + 5289314.

Almost surely, 2^84628904 is an apocalyptic number.

It is an amenable number.

84628904 is a deficient number, since it is larger than the sum of its proper divisors (74050306).

84628904 is a wasteful number, since it uses less digits than its factorization.

84628904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10578619 (or 10578615 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 84628904 is about 9199.3969367562. The cubic root of 84628904 is about 439.0421726357.

The spelling of 84628904 in words is "eighty-four million, six hundred twenty-eight thousand, nine hundred four".