2098665 has 24 divisors (see below), whose sum is σ = 3673800. Its totient is φ = 1108224.

The previous prime is 2098651. The next prime is 2098673. The reversal of 2098665 is 5668902.

It can be written as a sum of positive squares in 4 ways, for example, as 127449 + 1971216 = 357^2 + 1404^2 .

It is not a de Polignac number, because 2098665 - 2⁹ = 2098153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6549 + ... + 6861.

It is an arithmetic number, because the mean of its divisors is an integer number (153075).

2^2098665 is an apocalyptic number.

It is an amenable number.

2098665 is a deficient number, since it is larger than the sum of its proper divisors (1575135).

2098665 is a wasteful number, since it uses less digits than its factorization.

2098665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2098665 is about 1448.6769826293. The cubic root of 2098665 is about 128.0307746641.

The spelling of 2098665 in words is "two million, ninety-eight thousand, six hundred sixty-five".