2504304 has 160 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 691200.

The previous prime is 2504297. The next prime is 2504317. The reversal of 2504304 is 4034052.

2504304 = T₆₁ + T₆₂ + ... + T₂₄₇.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80769 + ... + 80799.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

2^2504304 is an apocalyptic number.

2504304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2504304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4285440).

2504304 is an abundant number, since it is smaller than the sum of its proper divisors (6066576).

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

2504304 is a wasteful number, since it uses less digits than its factorization.

2504304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2504304 is about 1582.4992890994. The cubic root of 2504304 is about 135.7987218659.

2504304 divided by its sum of digits (18) gives a triangular number (139128 = T₅₂₇).

Adding to 2504304 its reverse (4034052), we get a palindrome (6538356).

It can be divided in two parts, 250 and 4304, that added together give a palindrome (4554).

The spelling of 2504304 in words is "two million, five hundred four thousand, three hundred four".