2931793 has 2 divisors, whose sum is σ = 2931794. Its totient is φ = 2931792.

The previous prime is 2931779. The next prime is 2931823. The reversal of 2931793 is 3971392.

2931793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2879809 + 51984 = 1697^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 2931793 - 2²¹ = 834641 is a prime.

It is an Ulam number.

2931793 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2931713) 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 as a sum of consecutive naturals, namely, 1465896 + 1465897.

It is an arithmetic number, because the mean of its divisors is an integer number (1465897).

2^2931793 is an apocalyptic number.

It is an amenable number.

2931793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2931793 is an equidigital number, since it uses as much as digits as its factorization.

2931793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 34.

The square root of 2931793 is about 1712.2479376539. The cubic root of 2931793 is about 143.1235504516.

The spelling of 2931793 in words is "two million, nine hundred thirty-one thousand, seven hundred ninety-three".