2604427 has 4 divisors (see below), whose sum is σ = 2976496. Its totient is φ = 2232360.

The previous prime is 2604401. The next prime is 2604431. The reversal of 2604427 is 7244062.

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 2604427 - 2⁷ = 2604299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2604127) 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, 186024 + ... + 186037.

It is an arithmetic number, because the mean of its divisors is an integer number (744124).

2^2604427 is an apocalyptic number.

2604427 is a deficient number, since it is larger than the sum of its proper divisors (372069).

2604427 is an equidigital number, since it uses as much as digits as its factorization.

2604427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372068.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2604427 is about 1613.8237202371. The cubic root of 2604427 is about 137.5848864271.

Adding to 2604427 its reverse (7244062), we get a palindrome (9848489).

The spelling of 2604427 in words is "two million, six hundred four thousand, four hundred twenty-seven".