2393739 has 8 divisors (see below), whose sum is σ = 3546320. Its totient is φ = 1595808.

The previous prime is 2393723. The next prime is 2393759. The reversal of 2393739 is 9373932.

It is not a de Polignac number, because 2393739 - 2⁴ = 2393723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2393759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44302 + ... + 44355.

It is an arithmetic number, because the mean of its divisors is an integer number (443290).

2^2393739 is an apocalyptic number.

2393739 is a deficient number, since it is larger than the sum of its proper divisors (1152581).

2393739 is an equidigital number, since it uses as much as digits as its factorization.

2393739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88666 (or 88660 counting only the distinct ones).

The product of its digits is 30618, while the sum is 36.

The square root of 2393739 is about 1547.1712898060. The cubic root of 2393739 is about 133.7700630805.

The spelling of 2393739 in words is "two million, three hundred ninety-three thousand, seven hundred thirty-nine".