2791328 has 24 divisors (see below), whose sum is σ = 5785920. Its totient is φ = 1321920.

The previous prime is 2791297. The next prime is 2791331. The reversal of 2791328 is 8231972.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 2791294 and 2791303.

It is a congruent number.

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, 1688 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (241080).

2^2791328 is an apocalyptic number.

It is an amenable number.

2791328 is an abundant number, since it is smaller than the sum of its proper divisors (2994592).

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

2791328 is a wasteful number, since it uses less digits than its factorization.

2791328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620 (or 4612 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 2791328 is about 1670.7267879579. The cubic root of 2791328 is about 140.8003142211.

The spelling of 2791328 in words is "two million, seven hundred ninety-one thousand, three hundred twenty-eight".