989089475 has 12 divisors (see below), whose sum is σ = 1337968680. Its totient is φ = 719337600.

The previous prime is 989089471. The next prime is 989089477. The reversal of 989089475 is 574980989.

It is not a de Polignac number, because 989089475 - 2² = 989089471 is a prime.

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

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 in 11 ways as a sum of consecutive naturals, for example, 1798070 + ... + 1798619.

It is an arithmetic number, because the mean of its divisors is an integer number (111497390).

Almost surely, 2^989089475 is an apocalyptic number.

989089475 is a deficient number, since it is larger than the sum of its proper divisors (348879205).

989089475 is a wasteful number, since it uses less digits than its factorization.

989089475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596710 (or 3596705 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 989089475 is about 31449.7929245965. The cubic root of 989089475 is about 996.3498509563.

The spelling of 989089475 in words is "nine hundred eighty-nine million, eighty-nine thousand, four hundred seventy-five".