2793880 has 16 divisors (see below), whose sum is σ = 6286320. Its totient is φ = 1117536.

The previous prime is 2793859. The next prime is 2793883. The reversal of 2793880 is 883972.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2793883) 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, 34884 + ... + 34963.

It is an arithmetic number, because the mean of its divisors is an integer number (392895).

2^2793880 is an apocalyptic number.

2793880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2793880 is an abundant number, since it is smaller than the sum of its proper divisors (3492440).

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

2793880 is a wasteful number, since it uses less digits than its factorization.

2793880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69858 (or 69854 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2793880 is about 1671.4903529485. The cubic root of 2793880 is about 140.8432105238.

The spelling of 2793880 in words is "two million, seven hundred ninety-three thousand, eight hundred eighty".