84364520 has 32 divisors (see below), whose sum is σ = 192114720. Its totient is φ = 33337920.

The previous prime is 84364517. The next prime is 84364531. The reversal of 84364520 is 2546348.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9386 + ... + 16025.

It is an arithmetic number, because the mean of its divisors is an integer number (6003585).

Almost surely, 2^84364520 is an apocalyptic number.

It is an amenable number.

84364520 is an abundant number, since it is smaller than the sum of its proper divisors (107750200).

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

84364520 is a wasteful number, since it uses less digits than its factorization.

84364520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25505 (or 25501 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 84364520 is about 9185.0160587775. The cubic root of 84364520 is about 438.5845007469.

The spelling of 84364520 in words is "eighty-four million, three hundred sixty-four thousand, five hundred twenty".