2598399 has 36 divisors (see below), whose sum is σ = 4246424. Its totient is φ = 1586304.

The previous prime is 2598397. The next prime is 2598403. The reversal of 2598399 is 9938952.

2598399 is a `hidden beast` number, since 259 + 8 + 399 = 666.

It is not a de Polignac number, because 2598399 - 2¹ = 2598397 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 (2598397) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70209 + ... + 70245.

2^2598399 is an apocalyptic number.

2598399 is a deficient number, since it is larger than the sum of its proper divisors (1648025).

2598399 is an equidigital number, since it uses as much as digits as its factorization.

2598399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 57 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 2598399 is about 1611.9550241865. The cubic root of 2598399 is about 137.4786567423.

The spelling of 2598399 in words is "two million, five hundred ninety-eight thousand, three hundred ninety-nine".