2788985 has 8 divisors (see below), whose sum is σ = 3364800. Its totient is φ = 2219184.

The previous prime is 2788979. The next prime is 2788987. The reversal of 2788985 is 5898872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2788985 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2788987) 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, 407 + ... + 2396.

It is an arithmetic number, because the mean of its divisors is an integer number (420600).

2^2788985 is an apocalyptic number.

It is an amenable number.

2788985 is a deficient number, since it is larger than the sum of its proper divisors (575815).

2788985 is a wasteful number, since it uses less digits than its factorization.

2788985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007.

The product of its digits is 322560, while the sum is 47.

The square root of 2788985 is about 1670.0254489079. The cubic root of 2788985 is about 140.7609079501.

It can be divided in two parts, 2788 and 985, that added together give a palindrome (3773).

The spelling of 2788985 in words is "two million, seven hundred eighty-eight thousand, nine hundred eighty-five".