2328809 has 4 divisors (see below), whose sum is σ = 2661504. Its totient is φ = 1996116.

The previous prime is 2328791. The next prime is 2328827. The reversal of 2328809 is 9088232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2328791) and next prime (2328827).

It is a cyclic number.

It is not a de Polignac number, because 2328809 - 2¹⁶ = 2263273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2328829) 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, 166337 + ... + 166350.

It is an arithmetic number, because the mean of its divisors is an integer number (665376).

2^2328809 is an apocalyptic number.

It is an amenable number.

2328809 is a deficient number, since it is larger than the sum of its proper divisors (332695).

2328809 is an equidigital number, since it uses as much as digits as its factorization.

2328809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332694.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2328809 is about 1526.0435773594. The cubic root of 2328809 is about 132.5494582185.

The spelling of 2328809 in words is "two million, three hundred twenty-eight thousand, eight hundred nine".