2791332 has 36 divisors (see below), whose sum is σ = 7472556. Its totient is φ = 875520.

The previous prime is 2791331. The next prime is 2791339. The reversal of 2791332 is 2331972.

2791332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1572516 + 1218816 = 1254^2 + 1104^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2791296 and 2791305.

It is not an unprimeable number, because it can be changed into a prime (2791331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1669 + ... + 2892.

It is an arithmetic number, because the mean of its divisors is an integer number (207571).

2^2791332 is an apocalyptic number.

It is an amenable number.

2791332 is an abundant number, since it is smaller than the sum of its proper divisors (4681224).

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

2791332 is a wasteful number, since it uses less digits than its factorization.

2791332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588 (or 4583 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2791332 is about 1670.7279850413. The cubic root of 2791332 is about 140.8003814771.

The spelling of 2791332 in words is "two million, seven hundred ninety-one thousand, three hundred thirty-two".