2788562 has 16 divisors (see below), whose sum is σ = 4801920. Its totient is φ = 1189728.

The previous prime is 2788549. The next prime is 2788567. The reversal of 2788562 is 2658872.

It is not an unprimeable number, because it can be changed into a prime (2788567) 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, 5483 + ... + 5969.

It is an arithmetic number, because the mean of its divisors is an integer number (300120).

2^2788562 is an apocalyptic number.

2788562 is a deficient number, since it is larger than the sum of its proper divisors (2013358).

2788562 is a wasteful number, since it uses less digits than its factorization.

2788562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its digits is 53760, while the sum is 38.

The square root of 2788562 is about 1669.8987993289. The cubic root of 2788562 is about 140.7537912781.

It can be divided in two parts, 27885 and 62, that multiplied together give a triangular number (1728870 = T₁₈₅₉).

The spelling of 2788562 in words is "two million, seven hundred eighty-eight thousand, five hundred sixty-two".