2320609 has 4 divisors (see below), whose sum is σ = 2400660. Its totient is φ = 2240560.

The previous prime is 2320583. The next prime is 2320627. The reversal of 2320609 is 9060232.

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 490000 + 1830609 = 700^2 + 1353^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320609 - 2⁷ = 2320481 is a prime.

It is a super-2 number, since 2×2320609² = 10770452261762, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 2320609.

It is not an unprimeable number, because it can be changed into a prime (2320639) 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, 39982 + ... + 40039.

It is an arithmetic number, because the mean of its divisors is an integer number (600165).

2^2320609 is an apocalyptic number.

2320609 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2320609 is a deficient number, since it is larger than the sum of its proper divisors (80051).

2320609 is an equidigital number, since it uses as much as digits as its factorization.

2320609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80050.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2320609 is about 1523.3545220992. The cubic root of 2320609 is about 132.3937013825.

The spelling of 2320609 in words is "two million, three hundred twenty thousand, six hundred nine".