2516868 has 36 divisors (see below), whose sum is σ = 6418048. Its totient is φ = 831600.

The previous prime is 2516863. The next prime is 2516869. The reversal of 2516868 is 8686152.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2516863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5205 + ... + 5667.

2^2516868 is an apocalyptic number.

It is an amenable number.

2516868 is an abundant number, since it is smaller than the sum of its proper divisors (3901180).

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

2516868 is a wasteful number, since it uses less digits than its factorization.

2516868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 619 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 2516868 is about 1586.4639926579. The cubic root of 2516868 is about 136.0254421836.

The spelling of 2516868 in words is "two million, five hundred sixteen thousand, eight hundred sixty-eight".