989282990 has 16 divisors (see below), whose sum is σ = 1781295840. Its totient is φ = 395582880.

The previous prime is 989282947. The next prime is 989283007. The reversal of 989282990 is 99282989.

It is a congruent number.

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, 19295 + ... + 48485.

It is an arithmetic number, because the mean of its divisors is an integer number (111330990).

Almost surely, 2^989282990 is an apocalyptic number.

989282990 is a deficient number, since it is larger than the sum of its proper divisors (792012850).

989282990 is a wasteful number, since it uses less digits than its factorization.

989282990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32587.

The product of its (nonzero) digits is 1679616, while the sum is 56.

The square root of 989282990 is about 31452.8693444652. The cubic root of 989282990 is about 996.4148252158.

The spelling of 989282990 in words is "nine hundred eighty-nine million, two hundred eighty-two thousand, nine hundred ninety".