84473684 has 18 divisors (see below), whose sum is σ = 148847790. Its totient is φ = 41947456.

The previous prime is 84473671. The next prime is 84473713. The reversal of 84473684 is 48637448.

It can be written as a sum of positive squares in 3 ways, for example, as 348100 + 84125584 = 590^2 + 9172^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 216962 + ... + 217350.

Almost surely, 2^84473684 is an apocalyptic number.

It is an amenable number.

84473684 is a deficient number, since it is larger than the sum of its proper divisors (64374106).

84473684 is a wasteful number, since it uses less digits than its factorization.

84473684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 624 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 84473684 is about 9190.9566422653. The cubic root of 84473684 is about 438.7735889353.

The spelling of 84473684 in words is "eighty-four million, four hundred seventy-three thousand, six hundred eighty-four".