2516856 has 16 divisors (see below), whose sum is σ = 6292200. Its totient is φ = 838944.

The previous prime is 2516837. The next prime is 2516863. The reversal of 2516856 is 6586152.

2516856 = 54² + 55² + ... + 197².

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is a congruent number.

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, 52411 + ... + 52458.

2^2516856 is an apocalyptic number.

It is an amenable number.

2516856 is an abundant number, since it is smaller than the sum of its proper divisors (3775344).

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

2516856 is a wasteful number, since it uses less digits than its factorization.

2516856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104878 (or 104874 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 2516856 is about 1586.4602106577. The cubic root of 2516856 is about 136.0252260012.

The spelling of 2516856 in words is "two million, five hundred sixteen thousand, eight hundred fifty-six".