989603965 has 16 divisors (see below), whose sum is σ = 1359014400. Its totient is φ = 677664000.

The previous prime is 989603861. The next prime is 989603971. The reversal of 989603965 is 569306989.

It is not a de Polignac number, because 989603965 - 2¹¹ = 989601917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7461 + ... + 45109.

It is an arithmetic number, because the mean of its divisors is an integer number (84938400).

Almost surely, 2^989603965 is an apocalyptic number.

It is an amenable number.

989603965 is a deficient number, since it is larger than the sum of its proper divisors (369410435).

989603965 is a wasteful number, since it uses less digits than its factorization.

989603965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38412.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The square root of 989603965 is about 31457.9714063065. The cubic root of 989603965 is about 996.5225765430.

The spelling of 989603965 in words is "nine hundred eighty-nine million, six hundred three thousand, nine hundred sixty-five".