2604836 has 12 divisors (see below), whose sum is σ = 4909212. Its totient is φ = 1202208.

The previous prime is 2604829. The next prime is 2604839. The reversal of 2604836 is 6384062.

It can be written as a sum of positive squares in 2 ways, for example, as 220900 + 2383936 = 470^2 + 1544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2604799 and 2604808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604839) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24995 + ... + 25098.

It is an arithmetic number, because the mean of its divisors is an integer number (409101).

2^2604836 is an apocalyptic number.

2604836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2604836 is a deficient number, since it is larger than the sum of its proper divisors (2304376).

2604836 is a wasteful number, since it uses less digits than its factorization.

2604836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50110 (or 50108 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2604836 is about 1613.9504329440. The cubic root of 2604836 is about 137.5920881741.

Adding to 2604836 its reverse (6384062), we get a palindrome (8988898).

The spelling of 2604836 in words is "two million, six hundred four thousand, eight hundred thirty-six".