2393971 has 2 divisors, whose sum is σ = 2393972. Its totient is φ = 2393970.

The previous prime is 2393959. The next prime is 2393987. The reversal of 2393971 is 1793932.

2393971 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 2393971 - 2²¹ = 296819 is a prime.

It is not a weakly prime, because it can be changed into another prime (2393071) 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, 1196985 + 1196986.

It is an arithmetic number, because the mean of its divisors is an integer number (1196986).

2^2393971 is an apocalyptic number.

2393971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2393971 is an equidigital number, since it uses as much as digits as its factorization.

2393971 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 2393971 is about 1547.2462635276. The cubic root of 2393971 is about 133.7743845837.

It can be divided in two parts, 2393 and 971, that added together give a square (3364 = 58²).

The spelling of 2393971 in words is "two million, three hundred ninety-three thousand, nine hundred seventy-one".