2393849 has 2 divisors, whose sum is σ = 2393850. Its totient is φ = 2393848.

The previous prime is 2393837. The next prime is 2393857. The reversal of 2393849 is 9483932.

2393849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1525225 + 868624 = 1235^2 + 932^2 .

It is a cyclic number.

It is not a de Polignac number, because 2393849 - 2²⁰ = 1345273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2393819) 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, 1196924 + 1196925.

It is an arithmetic number, because the mean of its divisors is an integer number (1196925).

2^2393849 is an apocalyptic number.

It is an amenable number.

2393849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2393849 is an equidigital number, since it uses as much as digits as its factorization.

2393849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 2393849 is about 1547.2068381441. The cubic root of 2393849 is about 133.7721121039.

The spelling of 2393849 in words is "two million, three hundred ninety-three thousand, eight hundred forty-nine".