2504646 has 24 divisors (see below), whose sum is σ = 5455944. Its totient is φ = 830400.

The previous prime is 2504639. The next prime is 2504657. The reversal of 2504646 is 6464052.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6046 + ... + 6446.

It is an arithmetic number, because the mean of its divisors is an integer number (227331).

2^2504646 is an apocalyptic number.

2504646 is an abundant number, since it is smaller than the sum of its proper divisors (2951298).

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

2504646 is a wasteful number, since it uses less digits than its factorization.

2504646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2504646 is about 1582.6073423310. The cubic root of 2504646 is about 135.8049033637.

Adding to 2504646 its reverse (6464052), we get a palindrome (8968698).

The spelling of 2504646 in words is "two million, five hundred four thousand, six hundred forty-six".