2604628 has 18 divisors (see below), whose sum is σ = 4936974. Its totient is φ = 1201824.

The previous prime is 2604617. The next prime is 2604647. The reversal of 2604628 is 8264062.

It can be written as a sum of positive squares in 3 ways, for example, as 300304 + 2304324 = 548^2 + 1518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2604596 and 2604605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1251 + ... + 2602.

2^2604628 is an apocalyptic number.

It is an amenable number.

2604628 is a deficient number, since it is larger than the sum of its proper divisors (2332346).

2604628 is a wasteful number, since it uses less digits than its factorization.

2604628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883 (or 3868 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2604628 is about 1613.8859934952. The cubic root of 2604628 is about 137.5884257661.

The spelling of 2604628 in words is "two million, six hundred four thousand, six hundred twenty-eight".