2791264 has 48 divisors (see below), whose sum is σ = 6658848. Its totient is φ = 1124352.

The previous prime is 2791253. The next prime is 2791267. The reversal of 2791264 is 4621972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3442 + ... + 4174.

It is an arithmetic number, because the mean of its divisors is an integer number (138726).

2^2791264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2791264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3329424).

2791264 is an abundant number, since it is smaller than the sum of its proper divisors (3867584).

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

2791264 is a wasteful number, since it uses less digits than its factorization.

2791264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 759 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 2791264 is about 1670.7076345070. The cubic root of 2791264 is about 140.7992381157.

The spelling of 2791264 in words is "two million, seven hundred ninety-one thousand, two hundred sixty-four".