2861516 has 12 divisors (see below), whose sum is σ = 5723088. Its totient is φ = 1226352.

The previous prime is 2861497. The next prime is 2861531. The reversal of 2861516 is 6151682.

It is a happy number.

2861516 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 51071 + ... + 51126.

It is an arithmetic number, because the mean of its divisors is an integer number (476924).

2^2861516 is an apocalyptic number.

It is an amenable number.

2861516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2861516 is a wasteful number, since it uses less digits than its factorization.

2861516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102208 (or 102206 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 2861516 is about 1691.6016079444. The cubic root of 2861516 is about 141.9707008254.

The spelling of 2861516 in words is "two million, eight hundred sixty-one thousand, five hundred sixteen".