84913924 has 18 divisors (see below), whose sum is σ = 150882270. Its totient is φ = 41814432.

The previous prime is 84913919. The next prime is 84913931. The reversal of 84913924 is 42931948.

It can be written as a sum of positive squares in only one way, i.e., 48553024 + 36360900 = 6968^2 + 6030^2 .

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, 15592 + ... + 20320.

Almost surely, 2^84913924 is an apocalyptic number.

It is an amenable number.

84913924 is a deficient number, since it is larger than the sum of its proper divisors (65968346).

84913924 is a wasteful number, since it uses less digits than its factorization.

84913924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867 (or 4798 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 84913924 is about 9214.8751483674. The cubic root of 84913924 is about 439.5345008105.

It can be divided in two parts, 8491392 and 4, that added together give a square (8491396 = 2914²).

The spelling of 84913924 in words is "eighty-four million, nine hundred thirteen thousand, nine hundred twenty-four".