2343391 has 4 divisors (see below), whose sum is σ = 2365000. Its totient is φ = 2321784.

The previous prime is 2343389. The next prime is 2343409. The reversal of 2343391 is 1933432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2343391 - 2¹ = 2343389 is a prime.

It is a Duffinian number.

2343391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2343311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10641 + ... + 10858.

It is an arithmetic number, because the mean of its divisors is an integer number (591250).

2^2343391 is an apocalyptic number.

2343391 is a deficient number, since it is larger than the sum of its proper divisors (21609).

2343391 is a wasteful number, since it uses less digits than its factorization.

2343391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21608.

The product of its digits is 1944, while the sum is 25.

The square root of 2343391 is about 1530.8138358403. The cubic root of 2343391 is about 132.8255386784.

The spelling of 2343391 in words is "two million, three hundred forty-three thousand, three hundred ninety-one".