84889518 has 16 divisors (see below), whose sum is σ = 194033280. Its totient is φ = 24254136.

The previous prime is 84889513. The next prime is 84889523. The reversal of 84889518 is 81598848.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84889513) and next prime (84889523).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84889513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010548 + ... + 1010631.

It is an arithmetic number, because the mean of its divisors is an integer number (12127080).

Almost surely, 2^84889518 is an apocalyptic number.

84889518 is an abundant number, since it is smaller than the sum of its proper divisors (109143762).

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

84889518 is a wasteful number, since it uses less digits than its factorization.

84889518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021191.

The product of its digits is 737280, while the sum is 51.

The square root of 84889518 is about 9213.5507813220. The cubic root of 84889518 is about 439.4923863710.

The spelling of 84889518 in words is "eighty-four million, eight hundred eighty-nine thousand, five hundred eighteen".