2516804 has 12 divisors (see below), whose sum is σ = 4431084. Its totient is φ = 1250784.

The previous prime is 2516783. The next prime is 2516837. The reversal of 2516804 is 4086152.

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 1435204 = 1040^2 + 1198^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127 + ... + 2510.

It is an arithmetic number, because the mean of its divisors is an integer number (369257).

2^2516804 is an apocalyptic number.

It is an amenable number.

2516804 is a deficient number, since it is larger than the sum of its proper divisors (1914280).

2516804 is a wasteful number, since it uses less digits than its factorization.

2516804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814 (or 3812 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2516804 is about 1586.4438218859. The cubic root of 2516804 is about 136.0242892027.

The spelling of 2516804 in words is "two million, five hundred sixteen thousand, eight hundred four".