2598891 has 8 divisors (see below), whose sum is σ = 3524160. Its totient is φ = 1703112.

The previous prime is 2598859. The next prime is 2598899. The reversal of 2598891 is 1988952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2598891 - 2⁵ = 2598859 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2598899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7165 + ... + 7518.

It is an arithmetic number, because the mean of its divisors is an integer number (440520).

2^2598891 is an apocalyptic number.

2598891 is a deficient number, since it is larger than the sum of its proper divisors (925269).

2598891 is a wasteful number, since it uses less digits than its factorization.

2598891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14745.

The product of its digits is 51840, while the sum is 42.

The square root of 2598891 is about 1612.1076266801. The cubic root of 2598891 is about 137.4873332684.

The spelling of 2598891 in words is "two million, five hundred ninety-eight thousand, eight hundred ninety-one".