2504636 has 6 divisors (see below), whose sum is σ = 4383120. Its totient is φ = 1252316.

The previous prime is 2504629. The next prime is 2504639. The reversal of 2504636 is 6364052.

It is a d-powerful number, because it can be written as 2¹³ + 5⁹ + 0 + 4⁶ + 6 + 3¹² + 6⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504639) 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 as a sum of consecutive naturals, namely, 313076 + ... + 313083.

It is an arithmetic number, because the mean of its divisors is an integer number (730520).

2^2504636 is an apocalyptic number.

It is an amenable number.

2504636 is a deficient number, since it is larger than the sum of its proper divisors (1878484).

2504636 is a wasteful number, since it uses less digits than its factorization.

2504636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626163 (or 626161 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2504636 is about 1582.6041829845. The cubic root of 2504636 is about 135.8047226261.

Adding to 2504636 its reverse (6364052), we get a palindrome (8868688).

The spelling of 2504636 in words is "two million, five hundred four thousand, six hundred thirty-six".