2604937 has 4 divisors (see below), whose sum is σ = 2609280. Its totient is φ = 2600596.

The previous prime is 2604913. The next prime is 2604949. The reversal of 2604937 is 7394062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2604937 - 2¹¹ = 2602889 is a prime.

It is a Smith number, since the sum of its digits (31) 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.

2604937 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2604899 and 2604908.

It is not an unprimeable number, because it can be changed into a prime (2604907) 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, 1093 + ... + 2530.

It is an arithmetic number, because the mean of its divisors is an integer number (652320).

2^2604937 is an apocalyptic number.

It is an amenable number.

2604937 is a deficient number, since it is larger than the sum of its proper divisors (4343).

2604937 is an equidigital number, since it uses as much as digits as its factorization.

2604937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2604937 is about 1613.9817223253. The cubic root of 2604937 is about 137.5938664845.

Adding to 2604937 its reverse (7394062), we get a palindrome (9998999).

The spelling of 2604937 in words is "two million, six hundred four thousand, nine hundred thirty-seven".