84006444 has 24 divisors (see below), whose sum is σ = 197103088. Its totient is φ = 27846720.

The previous prime is 84006443. The next prime is 84006463. The reversal of 84006444 is 44460048.

It is not an unprimeable number, because it can be changed into a prime (84006443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17167 + ... + 21510.

Almost surely, 2^84006444 is an apocalyptic number.

It is an amenable number.

84006444 is an abundant number, since it is smaller than the sum of its proper divisors (113096644).

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

84006444 is a wasteful number, since it uses less digits than its factorization.

84006444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38865 (or 38863 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 84006444 is about 9165.5029321909. The cubic root of 84006444 is about 437.9631127585.

The spelling of 84006444 in words is "eighty-four million, six thousand, four hundred forty-four".