84004444 has 12 divisors (see below), whose sum is σ = 147086968. Its totient is φ = 41979600.

The previous prime is 84004423. The next prime is 84004457. The reversal of 84004444 is 44440048.

It is a super-2 number, since 2×84004444² = 14113493223498272, which contains 22 as substring.

It is a congruent number.

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, 4879 + ... + 13849.

Almost surely, 2^84004444 is an apocalyptic number.

It is an amenable number.

84004444 is a deficient number, since it is larger than the sum of its proper divisors (63082524).

84004444 is a wasteful number, since it uses less digits than its factorization.

84004444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316 (or 11314 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 84004444 is about 9165.3938267813. The cubic root of 84004444 is about 437.9596370998.

It can be divided in two parts, 84004 and 444, that added together give a palindrome (84448).

The spelling of 84004444 in words is "eighty-four million, four thousand, four hundred forty-four".