2383991 has 2 divisors, whose sum is σ = 2383992. Its totient is φ = 2383990.

The previous prime is 2383943. The next prime is 2383999. The reversal of 2383991 is 1993832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2383991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2383999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1191995 + 1191996.

It is an arithmetic number, because the mean of its divisors is an integer number (1191996).

2^2383991 is an apocalyptic number.

2383991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2383991 is an equidigital number, since it uses as much as digits as its factorization.

2383991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 2383991 is about 1544.0178107781. The cubic root of 2383991 is about 133.5882325264.

The spelling of 2383991 in words is "two million, three hundred eighty-three thousand, nine hundred ninety-one".