2684790 has 48 divisors (see below), whose sum is σ = 7289568. Its totient is φ = 684288.

The previous prime is 2684777. The next prime is 2684807. The reversal of 2684790 is 974862.

It is a congruent number.

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, 1422 + ... + 2718.

It is an arithmetic number, because the mean of its divisors is an integer number (151866).

2^2684790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2684790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3644784).

2684790 is an abundant number, since it is smaller than the sum of its proper divisors (4604778).

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

2684790 is a wasteful number, since it uses less digits than its factorization.

2684790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2684790 is about 1638.5328803536. The cubic root of 2684790 is about 138.9856963009.

The spelling of 2684790 in words is "two million, six hundred eighty-four thousand, seven hundred ninety".