2288764 has 12 divisors (see below), whose sum is σ = 4018000. Its totient is φ = 1140768.

The previous prime is 2288749. The next prime is 2288771. The reversal of 2288764 is 4678822.

It is a hoax number, since the sum of its digits (37) 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, 937 + ... + 2335.

2^2288764 is an apocalyptic number.

It is an amenable number.

2288764 is a deficient number, since it is larger than the sum of its proper divisors (1729236).

2288764 is a wasteful number, since it uses less digits than its factorization.

2288764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1810 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 2288764 is about 1512.8661540269. The cubic root of 2288764 is about 131.7853106377.

The spelling of 2288764 in words is "two million, two hundred eighty-eight thousand, seven hundred sixty-four".