2303391 has 8 divisors (see below), whose sum is σ = 3092400. Its totient is φ = 1524992.

The previous prime is 2303387. The next prime is 2303407. The reversal of 2303391 is 1933032.

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 2303391 - 2² = 2303387 is a prime.

It is a super-2 number, since 2×2303391² = 10611220197762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (386550).

2^2303391 is an apocalyptic number.

2303391 is a deficient number, since it is larger than the sum of its proper divisors (789009).

2303391 is a wasteful number, since it uses less digits than its factorization.

2303391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 2303391 is about 1517.6926566337. The cubic root of 2303391 is about 132.0654519298.

The spelling of 2303391 in words is "two million, three hundred three thousand, three hundred ninety-one".