2331609 has 8 divisors (see below), whose sum is σ = 3552960. Its totient is φ = 1332336.

The previous prime is 2331599. The next prime is 2331613. The reversal of 2331609 is 9061332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2331609 - 2⁵ = 2331577 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2331649) 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, 55494 + ... + 55535.

It is an arithmetic number, because the mean of its divisors is an integer number (444120).

2^2331609 is an apocalyptic number.

It is an amenable number.

2331609 is a deficient number, since it is larger than the sum of its proper divisors (1221351).

2331609 is a wasteful number, since it uses less digits than its factorization.

2331609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111039.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 2331609 is about 1526.9607067636. The cubic root of 2331609 is about 132.6025597307.

The spelling of 2331609 in words is "two million, three hundred thirty-one thousand, six hundred nine".