989085392 has 10 divisors (see below), whose sum is σ = 1916352978. Its totient is φ = 494542688.

The previous prime is 989085371. The next prime is 989085407. The reversal of 989085392 is 293580989.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 640292416 + 348792976 = 25304^2 + 18676^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30908903 + ... + 30908934.

Almost surely, 2^989085392 is an apocalyptic number.

It is an amenable number.

989085392 is a deficient number, since it is larger than the sum of its proper divisors (927267586).

989085392 is a wasteful number, since it uses less digits than its factorization.

989085392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61817845 (or 61817839 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 53.

The square root of 989085392 is about 31449.7280115425. The cubic root of 989085392 is about 996.3484799641.

The spelling of 989085392 in words is "nine hundred eighty-nine million, eighty-five thousand, three hundred ninety-two".