989898902 has 8 divisors (see below), whose sum is σ = 1485242976. Its totient is φ = 494817912.

The previous prime is 989898887. The next prime is 989898929. The reversal of 989898902 is 209898989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56078 + ... + 71585.

It is an arithmetic number, because the mean of its divisors is an integer number (185655372).

Almost surely, 2^989898902 is an apocalyptic number.

989898902 is a deficient number, since it is larger than the sum of its proper divisors (495344074).

989898902 is a wasteful number, since it uses less digits than its factorization.

989898902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131542.

The product of its (nonzero) digits is 6718464, while the sum is 62.

The square root of 989898902 is about 31462.6588514067. The cubic root of 989898902 is about 996.6215663732.

The spelling of 989898902 in words is "nine hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred two".