2598943 has 4 divisors (see below), whose sum is σ = 2751840. Its totient is φ = 2446048.

The previous prime is 2598941. The next prime is 2598971. The reversal of 2598943 is 3498952.

It is a happy number.

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 2598943 - 2¹ = 2598941 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2598896 and 2598905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2598941) 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, 76423 + ... + 76456.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

2^2598943 is an apocalyptic number.

2598943 is a deficient number, since it is larger than the sum of its proper divisors (152897).

2598943 is a wasteful number, since it uses less digits than its factorization.

2598943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152896.

The product of its digits is 77760, while the sum is 40.

The square root of 2598943 is about 1612.1237545548. The cubic root of 2598943 is about 137.4882502356.

Subtracting 2598943 from its reverse (3498952), we obtain a palindrome (900009).

The spelling of 2598943 in words is "two million, five hundred ninety-eight thousand, nine hundred forty-three".