2646886 has 16 divisors (see below), whose sum is σ = 4520448. Its totient is φ = 1150600.

The previous prime is 2646881. The next prime is 2646887. The reversal of 2646886 is 6886462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110 + ... + 3121.

It is an arithmetic number, because the mean of its divisors is an integer number (282528).

2^2646886 is an apocalyptic number.

2646886 is a deficient number, since it is larger than the sum of its proper divisors (1873562).

2646886 is a wasteful number, since it uses less digits than its factorization.

2646886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5267.

The product of its digits is 110592, while the sum is 40.

The square root of 2646886 is about 1626.9253209659. The cubic root of 2646886 is about 138.3285248566.

The spelling of 2646886 in words is "two million, six hundred forty-six thousand, eight hundred eighty-six".