989588939 has 8 divisors (see below), whose sum is σ = 1017170928. Its totient is φ = 962051040.

The previous prime is 989588927. The next prime is 989588947. The reversal of 989588939 is 939885989.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989588939 is a prime.

It is a super-2 number, since 2×989588939² = 1958572536382291442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989588239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37409 + ... + 58125.

It is an arithmetic number, because the mean of its divisors is an integer number (127146366).

Almost surely, 2^989588939 is an apocalyptic number.

989588939 is a deficient number, since it is larger than the sum of its proper divisors (27581989).

989588939 is a wasteful number, since it uses less digits than its factorization.

989588939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22045.

The product of its digits is 50388480, while the sum is 68.

The square root of 989588939 is about 31457.7325788112. The cubic root of 989588939 is about 996.5175328337.

The spelling of 989588939 in words is "nine hundred eighty-nine million, five hundred eighty-eight thousand, nine hundred thirty-nine".