2390743 has 2 divisors, whose sum is σ = 2390744. Its totient is φ = 2390742.

The previous prime is 2390737. The next prime is 2390753. The reversal of 2390743 is 3470932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2390743 - 2⁵ = 2390711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2390723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195371 + 1195372.

It is an arithmetic number, because the mean of its divisors is an integer number (1195372).

2^2390743 is an apocalyptic number.

2390743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2390743 is an equidigital number, since it uses as much as digits as its factorization.

2390743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 2390743 is about 1546.2027680741. The cubic root of 2390743 is about 133.7142309801.

The spelling of 2390743 in words is "two million, three hundred ninety thousand, seven hundred forty-three".