2797864 has 32 divisors (see below), whose sum is σ = 5616000. Its totient is φ = 1302912.

The previous prime is 2797849. The next prime is 2797867. The reversal of 2797864 is 4687972.

It is a self number, because there is not a number n which added to its sum of digits gives 2797864.

It is not an unprimeable number, because it can be changed into a prime (2797867) 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, 11892 + ... + 12124.

It is an arithmetic number, because the mean of its divisors is an integer number (175500).

2^2797864 is an apocalyptic number.

It is an amenable number.

2797864 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2797864 is a wasteful number, since it uses less digits than its factorization.

2797864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 333 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 2797864 is about 1672.6816792205. The cubic root of 2797864 is about 140.9101249759.

The spelling of 2797864 in words is "two million, seven hundred ninety-seven thousand, eight hundred sixty-four".