2098989 has 6 divisors (see below), whose sum is σ = 3031886. Its totient is φ = 1399320.

The previous prime is 2098981. The next prime is 2099017. The reversal of 2098989 is 9898902.

It can be written as a sum of positive squares in only one way, i.e., 1988100 + 110889 = 1410^2 + 333^2 .

It is not a de Polignac number, because 2098989 - 2³ = 2098981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116602 + ... + 116619.

2^2098989 is an apocalyptic number.

It is an amenable number.

2098989 is a deficient number, since it is larger than the sum of its proper divisors (932897).

2098989 is a wasteful number, since it uses less digits than its factorization.

2098989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233227 (or 233224 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 2098989 is about 1448.7888044846. The cubic root of 2098989 is about 128.0373629534.

The spelling of 2098989 in words is "two million, ninety-eight thousand, nine hundred eighty-nine".