2098971 has 12 divisors (see below), whose sum is σ = 3465072. Its totient is φ = 1199376.

The previous prime is 2098961. The next prime is 2098981. The reversal of 2098971 is 1798902.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2098961) and next prime (2098981).

It is not a de Polignac number, because 2098971 - 2⁶ = 2098907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16596 + ... + 16721.

It is an arithmetic number, because the mean of its divisors is an integer number (288756).

2^2098971 is an apocalyptic number.

2098971 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2098971 is a deficient number, since it is larger than the sum of its proper divisors (1366101).

2098971 is a wasteful number, since it uses less digits than its factorization.

2098971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33330 (or 33327 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2098971 is about 1448.7825923858. The cubic root of 2098971 is about 128.0369969552.

It can be divided in two parts, 209 and 8971, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 2098971 in words is "two million, ninety-eight thousand, nine hundred seventy-one".