2631204 has 36 divisors (see below), whose sum is σ = 6899984. Its totient is φ = 876744.

The previous prime is 2631203. The next prime is 2631217. The reversal of 2631204 is 4021362.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2631203) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 382 + ... + 2325.

2^2631204 is an apocalyptic number.

It is an amenable number.

2631204 is an abundant number, since it is smaller than the sum of its proper divisors (4268780).

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

2631204 is a wasteful number, since it uses less digits than its factorization.

2631204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726 (or 2712 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2631204 is about 1622.0986406504. The cubic root of 2631204 is about 138.0547986529.

Adding to 2631204 its reverse (4021362), we get a palindrome (6652566).

The spelling of 2631204 in words is "two million, six hundred thirty-one thousand, two hundred four".