2331399 has 16 divisors (see below), whose sum is σ = 3607808. Its totient is φ = 1311552.

The previous prime is 2331391. The next prime is 2331409. The reversal of 2331399 is 9931332.

It is not a de Polignac number, because 2331399 - 2³ = 2331391 is a prime.

It is a Duffinian number.

2331399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331391) 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, 579 + ... + 2235.

It is an arithmetic number, because the mean of its divisors is an integer number (225488).

2^2331399 is an apocalyptic number.

2331399 is a deficient number, since it is larger than the sum of its proper divisors (1276409).

2331399 is a wasteful number, since it uses less digits than its factorization.

2331399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734.

The product of its digits is 4374, while the sum is 30.

The square root of 2331399 is about 1526.8919411668. The cubic root of 2331399 is about 132.5985785924.

The spelling of 2331399 in words is "two million, three hundred thirty-one thousand, three hundred ninety-nine".