2823731 has 2 divisors, whose sum is σ = 2823732. Its totient is φ = 2823730.

The previous prime is 2823721. The next prime is 2823749. The reversal of 2823731 is 1373282.

2823731 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 is a cyclic number.

It is not a de Polignac number, because 2823731 - 2¹⁰ = 2822707 is a prime.

It is a super-2 number, since 2×2823731² = 15946913520722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2823731.

It is not a weakly prime, because it can be changed into another prime (2823721) 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, 1411865 + 1411866.

It is an arithmetic number, because the mean of its divisors is an integer number (1411866).

2^2823731 is an apocalyptic number.

2823731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2823731 is an equidigital number, since it uses as much as digits as its factorization.

2823731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 26.

The square root of 2823731 is about 1680.3960842611. The cubic root of 2823731 is about 141.3430441342.

The spelling of 2823731 in words is "two million, eight hundred twenty-three thousand, seven hundred thirty-one".