2098931 has 2 divisors, whose sum is σ = 2098932. Its totient is φ = 2098930.

The previous prime is 2098927. The next prime is 2098937. The reversal of 2098931 is 1398902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2098931 - 2² = 2098927 is a prime.

It is a super-2 number, since 2×2098931² = 8811022685522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2098937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049465 + 1049466.

It is an arithmetic number, because the mean of its divisors is an integer number (1049466).

2^2098931 is an apocalyptic number.

2098931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098931 is an equidigital number, since it uses as much as digits as its factorization.

2098931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2098931 is about 1448.7687876262. The cubic root of 2098931 is about 128.0361836181.

The spelling of 2098931 in words is "two million, ninety-eight thousand, nine hundred thirty-one".