2329891 has 2 divisors, whose sum is σ = 2329892. Its totient is φ = 2329890.

The previous prime is 2329883. The next prime is 2329937. The reversal of 2329891 is 1989232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2329891 - 2³ = 2329883 is a prime.

It is not a weakly prime, because it can be changed into another prime (2329801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1164945 + 1164946.

It is an arithmetic number, because the mean of its divisors is an integer number (1164946).

2^2329891 is an apocalyptic number.

2329891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2329891 is an equidigital number, since it uses as much as digits as its factorization.

2329891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 2329891 is about 1526.3980476927. The cubic root of 2329891 is about 132.5699832034.

The spelling of 2329891 in words is "two million, three hundred twenty-nine thousand, eight hundred ninety-one".