82590918 has 8 divisors (see below), whose sum is σ = 165181848. Its totient is φ = 27530304.

The previous prime is 82590901. The next prime is 82590923. The reversal of 82590918 is 81909528.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

82590918 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 82590918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6882571 + ... + 6882582.

It is an arithmetic number, because the mean of its divisors is an integer number (20647731).

Almost surely, 2^82590918 is an apocalyptic number.

82590918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82590918 is a wasteful number, since it uses less digits than its factorization.

82590918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13765158.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 82590918 is about 9087.9545553441. The cubic root of 82590918 is about 435.4892421208.

The spelling of 82590918 in words is "eighty-two million, five hundred ninety thousand, nine hundred eighteen".