2788392 has 32 divisors (see below), whose sum is σ = 7015680. Its totient is φ = 923520.

The previous prime is 2788367. The next prime is 2788393. The reversal of 2788392 is 2938872.

It is a self number, because there is not a number n which added to its sum of digits gives 2788392.

It is not an unprimeable number, because it can be changed into a prime (2788393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5092 + ... + 5612.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

2^2788392 is an apocalyptic number.

It is an amenable number.

2788392 is an abundant number, since it is smaller than the sum of its proper divisors (4227288).

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

2788392 is a wasteful number, since it uses less digits than its factorization.

2788392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 749 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 2788392 is about 1669.8478972649. The cubic root of 2788392 is about 140.7509309471.

The spelling of 2788392 in words is "two million, seven hundred eighty-eight thousand, three hundred ninety-two".