84520924 has 6 divisors (see below), whose sum is σ = 147911624. Its totient is φ = 42260460.

The previous prime is 84520907. The next prime is 84520927. The reversal of 84520924 is 42902548.

It is a self number, because there is not a number n which added to its sum of digits gives 84520924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84520927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10565112 + ... + 10565119.

Almost surely, 2^84520924 is an apocalyptic number.

It is an amenable number.

84520924 is a deficient number, since it is larger than the sum of its proper divisors (63390700).

84520924 is a wasteful number, since it uses less digits than its factorization.

84520924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21130235 (or 21130233 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 84520924 is about 9193.5262005392. The cubic root of 84520924 is about 438.8553651001.

The spelling of 84520924 in words is "eighty-four million, five hundred twenty thousand, nine hundred twenty-four".