84890718 has 24 divisors (see below), whose sum is σ = 200651256. Its totient is φ = 25724400.

The previous prime is 84890681. The next prime is 84890731. The reversal of 84890718 is 81709848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214173 + ... + 214568.

It is an arithmetic number, because the mean of its divisors is an integer number (8360469).

Almost surely, 2^84890718 is an apocalyptic number.

84890718 is an abundant number, since it is smaller than the sum of its proper divisors (115760538).

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

84890718 is a wasteful number, since it uses less digits than its factorization.

84890718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428760 (or 428757 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 84890718 is about 9213.6159025651. The cubic root of 84890718 is about 439.4944572525.

The spelling of 84890718 in words is "eighty-four million, eight hundred ninety thousand, seven hundred eighteen".