2788862 has 4 divisors (see below), whose sum is σ = 4183296. Its totient is φ = 1394430.

The previous prime is 2788831. The next prime is 2788889. The reversal of 2788862 is 2688872.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697214 + ... + 697217.

It is an arithmetic number, because the mean of its divisors is an integer number (1045824).

2^2788862 is an apocalyptic number.

2788862 is a deficient number, since it is larger than the sum of its proper divisors (1394434).

2788862 is a wasteful number, since it uses less digits than its factorization.

2788862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394433.

The product of its digits is 86016, while the sum is 41.

The square root of 2788862 is about 1669.9886227157. The cubic root of 2788862 is about 140.7588386374.

The spelling of 2788862 in words is "two million, seven hundred eighty-eight thousand, eight hundred sixty-two".