2302391 has 8 divisors (see below), whose sum is σ = 2833824. Its totient is φ = 1821600.

The previous prime is 2302387. The next prime is 2302403. The reversal of 2302391 is 1932032.

2302391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2302391 - 2² = 2302387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12560 + ... + 12741.

It is an arithmetic number, because the mean of its divisors is an integer number (354228).

2^2302391 is an apocalyptic number.

2302391 is a deficient number, since it is larger than the sum of its proper divisors (531433).

2302391 is a wasteful number, since it uses less digits than its factorization.

2302391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25321.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2302391 is about 1517.3631734031. The cubic root of 2302391 is about 132.0463374202.

The spelling of 2302391 in words is "two million, three hundred two thousand, three hundred ninety-one".