989544814 has 32 divisors (see below), whose sum is σ = 1594080000. Its totient is φ = 459293184.

The previous prime is 989544797. The next prime is 989544863. The reversal of 989544814 is 418445989.

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, 1006167 + ... + 1007149.

It is an arithmetic number, because the mean of its divisors is an integer number (49815000).

Almost surely, 2^989544814 is an apocalyptic number.

989544814 is a deficient number, since it is larger than the sum of its proper divisors (604535186).

989544814 is a wasteful number, since it uses less digits than its factorization.

989544814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its digits is 1658880, while the sum is 52.

The square root of 989544814 is about 31457.0312330964. The cubic root of 989544814 is about 996.5027213001.

The spelling of 989544814 in words is "nine hundred eighty-nine million, five hundred forty-four thousand, eight hundred fourteen".