2359891 has 2 divisors, whose sum is σ = 2359892. Its totient is φ = 2359890.

The previous prime is 2359873. The next prime is 2359901. The reversal of 2359891 is 1989532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2359891 - 2¹⁵ = 2327123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2359891.

It is not a weakly prime, because it can be changed into another prime (2359801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1179945 + 1179946.

It is an arithmetic number, because the mean of its divisors is an integer number (1179946).

2^2359891 is an apocalyptic number.

2359891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2359891 is an equidigital number, since it uses as much as digits as its factorization.

2359891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 2359891 is about 1536.1936726858. The cubic root of 2359891 is about 133.1365548685.

The spelling of 2359891 in words is "two million, three hundred fifty-nine thousand, eight hundred ninety-one".