2791965 has 16 divisors (see below), whose sum is σ = 4873536. Its totient is φ = 1353600.

The previous prime is 2791963. The next prime is 2791967. The reversal of 2791965 is 5691972.

2791965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2791963) and next prime (2791967).

It is not a de Polignac number, because 2791965 - 2¹ = 2791963 is a prime.

It is a super-2 number, since 2×2791965² = 15590137122450, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791963) 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 15 ways as a sum of consecutive naturals, for example, 8296 + ... + 8625.

It is an arithmetic number, because the mean of its divisors is an integer number (304596).

2^2791965 is an apocalyptic number.

It is an amenable number.

2791965 is a deficient number, since it is larger than the sum of its proper divisors (2081571).

2791965 is a wasteful number, since it uses less digits than its factorization.

2791965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16940.

The product of its digits is 34020, while the sum is 39.

The square root of 2791965 is about 1670.9174126808. The cubic root of 2791965 is about 140.8110239356.

The spelling of 2791965 in words is "two million, seven hundred ninety-one thousand, nine hundred sixty-five".