84444904 has 8 divisors (see below), whose sum is σ = 158334210. Its totient is φ = 42222448.

The previous prime is 84444889. The next prime is 84444929. The reversal of 84444904 is 40944448.

It can be written as a sum of positive squares in only one way, i.e., 74822500 + 9622404 = 8650^2 + 3102^2 .

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, 5277799 + ... + 5277814.

Almost surely, 2^84444904 is an apocalyptic number.

It is an amenable number.

84444904 is a deficient number, since it is larger than the sum of its proper divisors (73889306).

84444904 is a wasteful number, since it uses less digits than its factorization.

84444904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10555619 (or 10555615 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 84444904 is about 9189.3908394409. The cubic root of 84444904 is about 438.7237535402.

The spelling of 84444904 in words is "eighty-four million, four hundred forty-four thousand, nine hundred four".