2600939 has 4 divisors (see below), whose sum is σ = 2837400. Its totient is φ = 2364480.

The previous prime is 2600911. The next prime is 2600947. The reversal of 2600939 is 9390062.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2600939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2600239) 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, 118214 + ... + 118235.

It is an arithmetic number, because the mean of its divisors is an integer number (709350).

2^2600939 is an apocalyptic number.

2600939 is a deficient number, since it is larger than the sum of its proper divisors (236461).

2600939 is a wasteful number, since it uses less digits than its factorization.

2600939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236460.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 2600939 is about 1612.7426949145. The cubic root of 2600939 is about 137.5234384287.

The spelling of 2600939 in words is "two million, six hundred thousand, nine hundred thirty-nine".