2684456 has 8 divisors (see below), whose sum is σ = 5033370. Its totient is φ = 1342224.

The previous prime is 2684449. The next prime is 2684467. The reversal of 2684456 is 6544862.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 27556 = 1630^2 + 166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167771 + ... + 167786.

2^2684456 is an apocalyptic number.

It is an amenable number.

2684456 is a deficient number, since it is larger than the sum of its proper divisors (2348914).

2684456 is a wasteful number, since it uses less digits than its factorization.

2684456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335563 (or 335559 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 2684456 is about 1638.4309567388. The cubic root of 2684456 is about 138.9799325791.

The spelling of 2684456 in words is "two million, six hundred eighty-four thousand, four hundred fifty-six".