2320389 has 12 divisors (see below), whose sum is σ = 3365856. Its totient is φ = 1540392.

The previous prime is 2320387. The next prime is 2320391. The reversal of 2320389 is 9830232.

It is an interprime number because it is at equal distance from previous prime (2320387) and next prime (2320391).

It is not a de Polignac number, because 2320389 - 2¹ = 2320387 is a prime.

It is a super-2 number, since 2×2320389² = 10768410222642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2752 + ... + 3494.

It is an arithmetic number, because the mean of its divisors is an integer number (280488).

2^2320389 is an apocalyptic number.

It is an amenable number.

2320389 is a deficient number, since it is larger than the sum of its proper divisors (1045467).

2320389 is a wasteful number, since it uses less digits than its factorization.

2320389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2320389 is about 1523.2823113264. The cubic root of 2320389 is about 132.3895174902.

The spelling of 2320389 in words is "two million, three hundred twenty thousand, three hundred eighty-nine".