2790880 has 24 divisors (see below), whose sum is σ = 6593832. Its totient is φ = 1116288.

The previous prime is 2790871. The next prime is 2790883. The reversal of 2790880 is 880972.

It is a happy number.

It is a super-2 number, since 2×2790880² = 15578022348800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8562 + ... + 8881.

It is an arithmetic number, because the mean of its divisors is an integer number (274743).

2^2790880 is an apocalyptic number.

2790880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2790880 is an abundant number, since it is smaller than the sum of its proper divisors (3802952).

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

2790880 is a wasteful number, since it uses less digits than its factorization.

2790880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17458 (or 17450 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 2790880 is about 1670.5927091904. The cubic root of 2790880 is about 140.7927811382.

The spelling of 2790880 in words is "two million, seven hundred ninety thousand, eight hundred eighty".