2863880 has 16 divisors (see below), whose sum is σ = 6443820. Its totient is φ = 1145536.

The previous prime is 2863879. The next prime is 2863897. The reversal of 2863880 is 883682.

It can be written as a sum of positive squares in 2 ways, for example, as 2735716 + 128164 = 1654^2 + 358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2863880.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35759 + ... + 35838.

2^2863880 is an apocalyptic number.

2863880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2863880 is an abundant number, since it is smaller than the sum of its proper divisors (3579940).

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

2863880 is a wasteful number, since it uses less digits than its factorization.

2863880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71608 (or 71604 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2863880 is about 1692.3002097737. The cubic root of 2863880 is about 142.0097857437.

The spelling of 2863880 in words is "two million, eight hundred sixty-three thousand, eight hundred eighty".