2343891 has 16 divisors (see below), whose sum is σ = 3443328. Its totient is φ = 1418120.

The previous prime is 2343889. The next prime is 2343899. The reversal of 2343891 is 1983432.

It is not a de Polignac number, because 2343891 - 2¹ = 2343889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2343899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3700 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (215208).

2^2343891 is an apocalyptic number.

2343891 is a deficient number, since it is larger than the sum of its proper divisors (1099437).

2343891 is an equidigital number, since it uses as much as digits as its factorization.

2343891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 601 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 2343891 is about 1530.9771389541. The cubic root of 2343891 is about 132.8349848252.

The spelling of 2343891 in words is "two million, three hundred forty-three thousand, eight hundred ninety-one".