989602894 has 16 divisors (see below), whose sum is σ = 1751187456. Its totient is φ = 410434200.

The previous prime is 989602879. The next prime is 989602927. The reversal of 989602894 is 498206989.

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, 1139662 + ... + 1140529.

It is an arithmetic number, because the mean of its divisors is an integer number (109449216).

Almost surely, 2^989602894 is an apocalyptic number.

989602894 is a deficient number, since it is larger than the sum of its proper divisors (761584562).

989602894 is a wasteful number, since it uses less digits than its factorization.

989602894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280231.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The square root of 989602894 is about 31457.9543835895. The cubic root of 989602894 is about 996.5222170470.

The spelling of 989602894 in words is "nine hundred eighty-nine million, six hundred two thousand, eight hundred ninety-four".