2740931 has 4 divisors (see below), whose sum is σ = 2778552. Its totient is φ = 2703312.

The previous prime is 2740919. The next prime is 2740937. The reversal of 2740931 is 1390472.

2740931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2740931 - 2⁶ = 2740867 is a prime.

It is a super-2 number, since 2×2740931² = 15025405493522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2740931.

It is not an unprimeable number, because it can be changed into a prime (2740937) 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 3 ways as a sum of consecutive naturals, for example, 18701 + ... + 18846.

It is an arithmetic number, because the mean of its divisors is an integer number (694638).

2^2740931 is an apocalyptic number.

2740931 is a deficient number, since it is larger than the sum of its proper divisors (37621).

2740931 is an equidigital number, since it uses as much as digits as its factorization.

2740931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37620.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2740931 is about 1655.5757306750. The cubic root of 2740931 is about 139.9477866518.

The spelling of 2740931 in words is "two million, seven hundred forty thousand, nine hundred thirty-one".