989614654 has 32 divisors (see below), whose sum is σ = 1747811520. Its totient is φ = 411360768.

The previous prime is 989614649. The next prime is 989614669. The reversal of 989614654 is 456416989.

It is a happy number.

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, 171732 + ... + 177400.

It is an arithmetic number, because the mean of its divisors is an integer number (54619110).

Almost surely, 2^989614654 is an apocalyptic number.

989614654 is a deficient number, since it is larger than the sum of its proper divisors (758196866).

989614654 is a wasteful number, since it uses less digits than its factorization.

989614654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052.

The product of its digits is 1866240, while the sum is 52.

The square root of 989614654 is about 31458.1412991931. The cubic root of 989614654 is about 996.5261644400.

The spelling of 989614654 in words is "nine hundred eighty-nine million, six hundred fourteen thousand, six hundred fifty-four".