2318329 has 4 divisors (see below), whose sum is σ = 2496676. Its totient is φ = 2139984.

The previous prime is 2318317. The next prime is 2318333. The reversal of 2318329 is 9238132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 522729 + 1795600 = 723^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2318329 - 2⁵ = 2318297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2318297 and 2318306.

It is not an unprimeable number, because it can be changed into a prime (2318389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89154 + ... + 89179.

It is an arithmetic number, because the mean of its divisors is an integer number (624169).

2^2318329 is an apocalyptic number.

It is an amenable number.

2318329 is a deficient number, since it is larger than the sum of its proper divisors (178347).

2318329 is a wasteful number, since it uses less digits than its factorization.

2318329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178346.

The product of its digits is 2592, while the sum is 28.

The square root of 2318329 is about 1522.6059897426. The cubic root of 2318329 is about 132.3503282060.

The spelling of 2318329 in words is "two million, three hundred eighteen thousand, three hundred twenty-nine".