2791648 has 24 divisors (see below), whose sum is σ = 5736528. Its totient is φ = 1334784.

The previous prime is 2791639. The next prime is 2791661. The reversal of 2791648 is 8461972.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 1161 + ... + 2632.

It is an arithmetic number, because the mean of its divisors is an integer number (239022).

2^2791648 is an apocalyptic number.

It is an amenable number.

2791648 is an abundant number, since it is smaller than the sum of its proper divisors (2944880).

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

2791648 is a wasteful number, since it uses less digits than its factorization.

2791648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3818 counting only the distinct ones).

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

The square root of 2791648 is about 1670.8225519187. The cubic root of 2791648 is about 140.8056945011.

The spelling of 2791648 in words is "two million, seven hundred ninety-one thousand, six hundred forty-eight".