2840764 has 12 divisors (see below), whose sum is σ = 5002984. Its totient is φ = 1411344.

The previous prime is 2840759. The next prime is 2840771. The reversal of 2840764 is 4670482.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 1527 + ... + 2830.

2^2840764 is an apocalyptic number.

It is an amenable number.

2840764 is a deficient number, since it is larger than the sum of its proper divisors (2162220).

2840764 is a wasteful number, since it uses less digits than its factorization.

2840764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2840764 is about 1685.4566146893. The cubic root of 2840764 is about 141.6266726011.

The spelling of 2840764 in words is "two million, eight hundred forty thousand, seven hundred sixty-four".