84444004 has 12 divisors (see below), whose sum is σ = 148312444. Its totient is φ = 42069024.

The previous prime is 84443987. The next prime is 84444011. The reversal of 84444004 is 40044448.

It can be written as a sum of positive squares in 2 ways, for example, as 33292900 + 51151104 = 5770^2 + 7152^2 .

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, 36999 + ... + 39214.

Almost surely, 2^84444004 is an apocalyptic number.

It is an amenable number.

84444004 is a deficient number, since it is larger than the sum of its proper divisors (63868440).

84444004 is a wasteful number, since it uses less digits than its factorization.

84444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76494 (or 76492 counting only the distinct ones).

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

The square root of 84444004 is about 9189.3418697968. The cubic root of 84444004 is about 438.7221949192.

The spelling of 84444004 in words is "eighty-four million, four hundred forty-four thousand, four".