989069818 has 16 divisors (see below), whose sum is σ = 1670688000. Its totient is φ = 435074400.

The previous prime is 989069803. The next prime is 989069821. The reversal of 989069818 is 818960989.

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, 724443 + ... + 725806.

It is an arithmetic number, because the mean of its divisors is an integer number (104418000).

Almost surely, 2^989069818 is an apocalyptic number.

989069818 is a deficient number, since it is larger than the sum of its proper divisors (681618182).

989069818 is a wasteful number, since it uses less digits than its factorization.

989069818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450293.

The product of its (nonzero) digits is 2239488, while the sum is 58.

The square root of 989069818 is about 31449.4804090624. The cubic root of 989069818 is about 996.3432504821.

The spelling of 989069818 in words is "nine hundred eighty-nine million, sixty-nine thousand, eight hundred eighteen".