2604680 has 32 divisors (see below), whose sum is σ = 6312600. Its totient is φ = 961536.

The previous prime is 2604677. The next prime is 2604683. The reversal of 2604680 is 864062.

It is an interprime number because it is at equal distance from previous prime (2604677) and next prime (2604683).

It can be written as a sum of positive squares in 4 ways, for example, as 1592644 + 1012036 = 1262^2 + 1006^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985 + ... + 3024.

2^2604680 is an apocalyptic number.

2604680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2604680 is an abundant number, since it is smaller than the sum of its proper divisors (3707920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2604680 is a wasteful number, since it uses less digits than its factorization.

2604680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033 (or 5029 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2604680 is about 1613.9021035986. The cubic root of 2604680 is about 137.5893413864.

The spelling of 2604680 in words is "two million, six hundred four thousand, six hundred eighty".