2504784 has 20 divisors (see below), whose sum is σ = 6470816. Its totient is φ = 834912.

The previous prime is 2504783. The next prime is 2504791. The reversal of 2504784 is 4874052.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26044 + ... + 26139.

2^2504784 is an apocalyptic number.

2504784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2504784 is an abundant number, since it is smaller than the sum of its proper divisors (3966032).

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

2504784 is a wasteful number, since it uses less digits than its factorization.

2504784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52194 (or 52188 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 2504784 is about 1582.6509406689. The cubic root of 2504784 is about 135.8073974929.

The spelling of 2504784 in words is "two million, five hundred four thousand, seven hundred eighty-four".