2423891 has 2 divisors, whose sum is σ = 2423892. Its totient is φ = 2423890.

The previous prime is 2423873. The next prime is 2423909. The reversal of 2423891 is 1983242.

It is a balanced prime because it is at equal distance from previous prime (2423873) and next prime (2423909).

It is a cyclic number.

It is not a de Polignac number, because 2423891 - 2¹⁴ = 2407507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2423801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211945 + 1211946.

It is an arithmetic number, because the mean of its divisors is an integer number (1211946).

2^2423891 is an apocalyptic number.

2423891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423891 is an equidigital number, since it uses as much as digits as its factorization.

2423891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 2423891 is about 1556.8850310797. The cubic root of 2423891 is about 134.3293857076.

The spelling of 2423891 in words is "two million, four hundred twenty-three thousand, eight hundred ninety-one".