2516728 has 8 divisors (see below), whose sum is σ = 4718880. Its totient is φ = 1258360.

The previous prime is 2516713. The next prime is 2516771. The reversal of 2516728 is 8276152.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2516728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157288 + ... + 157303.

It is an arithmetic number, because the mean of its divisors is an integer number (589860).

2^2516728 is an apocalyptic number.

It is an amenable number.

2516728 is a deficient number, since it is larger than the sum of its proper divisors (2202152).

2516728 is a wasteful number, since it uses less digits than its factorization.

2516728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314597 (or 314593 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 2516728 is about 1586.4198687611. The cubic root of 2516728 is about 136.0229200125.

The spelling of 2516728 in words is "two million, five hundred sixteen thousand, seven hundred twenty-eight".