2791456 has 24 divisors (see below), whose sum is σ = 5567184. Its totient is φ = 1377600.

The previous prime is 2791429. The next prime is 2791463. The reversal of 2791456 is 6541972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2131 + ... + 3181.

It is an arithmetic number, because the mean of its divisors is an integer number (231966).

2^2791456 is an apocalyptic number.

It is an amenable number.

2791456 is a deficient number, since it is larger than the sum of its proper divisors (2775728).

2791456 is a wasteful number, since it uses less digits than its factorization.

2791456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1136 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 2791456 is about 1670.7650942009. The cubic root of 2791456 is about 140.8024663824.

The spelling of 2791456 in words is "two million, seven hundred ninety-one thousand, four hundred fifty-six".