989089476 has 48 divisors (see below), whose sum is σ = 2378652864. Its totient is φ = 319648896.

The previous prime is 989089471. The next prime is 989089477. The reversal of 989089476 is 674980989.

It is not an unprimeable number, because it can be changed into a prime (989089471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126291 + ... + 133893.

It is an arithmetic number, because the mean of its divisors is an integer number (49555268).

Almost surely, 2^989089476 is an apocalyptic number.

It is an amenable number.

989089476 is an abundant number, since it is smaller than the sum of its proper divisors (1389563388).

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

989089476 is a wasteful number, since it uses less digits than its factorization.

989089476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940 (or 7938 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 989089476 is about 31449.7929404949. The cubic root of 989089476 is about 996.3498512921.

The spelling of 989089476 in words is "nine hundred eighty-nine million, eighty-nine thousand, four hundred seventy-six".