2649684 has 12 divisors (see below), whose sum is σ = 6182624. Its totient is φ = 883224.

The previous prime is 2649679. The next prime is 2649709. The reversal of 2649684 is 4869462.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 110392 + ... + 110415.

2^2649684 is an apocalyptic number.

It is an amenable number.

2649684 is an abundant number, since it is smaller than the sum of its proper divisors (3532940).

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

2649684 is a wasteful number, since it uses less digits than its factorization.

2649684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220814 (or 220812 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 2649684 is about 1627.7849980879. The cubic root of 2649684 is about 138.3772496491.

It can be divided in two parts, 2649 and 684, that added together give a palindrome (3333).

The spelling of 2649684 in words is "two million, six hundred forty-nine thousand, six hundred eighty-four".