2986866 has 48 divisors (see below), whose sum is σ = 7042464. Its totient is φ = 911232.

The previous prime is 2986859. The next prime is 2986871. The reversal of 2986866 is 6686892.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13045 + ... + 13271.

It is an arithmetic number, because the mean of its divisors is an integer number (146718).

2^2986866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2986866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3521232).

2986866 is an abundant number, since it is smaller than the sum of its proper divisors (4055598).

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

2986866 is a wasteful number, since it uses less digits than its factorization.

2986866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 292 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 2986866 is about 1728.2551894903. The cubic root of 2986866 is about 144.0141768450.

The spelling of 2986866 in words is "two million, nine hundred eighty-six thousand, eight hundred sixty-six".