2598239 has 4 divisors (see below), whose sum is σ = 2969424. Its totient is φ = 2227056.

The previous prime is 2598217. The next prime is 2598247. The reversal of 2598239 is 9328952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2598239 - 2¹² = 2594143 is a prime.

It is a super-3 number, since 3×2598239³ = 52620933309848177757, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2598259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185582 + ... + 185595.

It is an arithmetic number, because the mean of its divisors is an integer number (742356).

2^2598239 is an apocalyptic number.

2598239 is a deficient number, since it is larger than the sum of its proper divisors (371185).

2598239 is an equidigital number, since it uses as much as digits as its factorization.

2598239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371184.

The product of its digits is 38880, while the sum is 38.

The square root of 2598239 is about 1611.9053942462. The cubic root of 2598239 is about 137.4758348718.

The spelling of 2598239 in words is "two million, five hundred ninety-eight thousand, two hundred thirty-nine".