2604207 has 4 divisors (see below), whose sum is σ = 3472280. Its totient is φ = 1736136.

The previous prime is 2604191. The next prime is 2604211. The reversal of 2604207 is 7024062.

It is a happy number.

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

It is not a de Polignac number, because 2604207 - 2⁴ = 2604191 is a prime.

It is a D-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 (2604227) 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, 434032 + ... + 434037.

It is an arithmetic number, because the mean of its divisors is an integer number (868070).

2^2604207 is an apocalyptic number.

2604207 is a deficient number, since it is larger than the sum of its proper divisors (868073).

2604207 is an equidigital number, since it uses as much as digits as its factorization.

2604207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868072.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2604207 is about 1613.7555576976. The cubic root of 2604207 is about 137.5810123148.

Adding to 2604207 its reverse (7024062), we get a palindrome (9628269).

The spelling of 2604207 in words is "two million, six hundred four thousand, two hundred seven".