98900989 has 16 divisors (see below), whose sum is σ = 115213824. Its totient is φ = 83991600.

The previous prime is 98900981. The next prime is 98900999.

98900989 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 98900989 - 2³ = 98900981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98900981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6334 + ... + 15424.

It is an arithmetic number, because the mean of its divisors is an integer number (7200864).

Almost surely, 2^98900989 is an apocalyptic number.

It is an amenable number.

98900989 is a deficient number, since it is larger than the sum of its proper divisors (16312835).

98900989 is a wasteful number, since it uses less digits than its factorization.

98900989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168.

The product of its (nonzero) digits is 419904, while the sum is 52.

The square root of 98900989 is about 9944.8976364767. The cubic root of 98900989 is about 462.4522301770.

It can be divided in two parts, 98900 and 989, that multiplied together give a square (97812100 = 9890²).

The spelling of 98900989 in words is "ninety-eight million, nine hundred thousand, nine hundred eighty-nine".