2631304 has 16 divisors (see below), whose sum is σ = 5313420. Its totient is φ = 1214400.

The previous prime is 2631283. The next prime is 2631323. The reversal of 2631304 is 4031362.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 39204 = 1610^2 + 198^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12547 + ... + 12754.

2^2631304 is an apocalyptic number.

It is an amenable number.

2631304 is an abundant number, since it is smaller than the sum of its proper divisors (2682116).

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

2631304 is a wasteful number, since it uses less digits than its factorization.

2631304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25320 (or 25316 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2631304 is about 1622.1294646236. The cubic root of 2631304 is about 138.0565475741.

Adding to 2631304 its reverse (4031362), we get a palindrome (6662666).

The spelling of 2631304 in words is "two million, six hundred thirty-one thousand, three hundred four".