2580404 has 12 divisors (see below), whose sum is σ = 4578084. Its totient is φ = 1272384.

The previous prime is 2580401. The next prime is 2580407. The reversal of 2580404 is 4040852.

It is an interprime number because it is at equal distance from previous prime (2580401) and next prime (2580407).

It can be written as a sum of positive squares in 2 ways, for example, as 2244004 + 336400 = 1498^2 + 580^2 .

It is a super-3 number, since 3×2580404³ = 51544742460473337792, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2580404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580401) 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, 4127 + ... + 4710.

It is an arithmetic number, because the mean of its divisors is an integer number (381507).

2^2580404 is an apocalyptic number.

It is an amenable number.

2580404 is a deficient number, since it is larger than the sum of its proper divisors (1997680).

2580404 is a wasteful number, since it uses less digits than its factorization.

2580404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914 (or 8912 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2580404 is about 1606.3635952050. The cubic root of 2580404 is about 137.1605555449.

The spelling of 2580404 in words is "two million, five hundred eighty thousand, four hundred four".