2328309 has 12 divisors (see below), whose sum is σ = 3419052. Its totient is φ = 1526400.

The previous prime is 2328307. The next prime is 2328311. The reversal of 2328309 is 9038232.

It is an interprime number because it is at equal distance from previous prime (2328307) and next prime (2328311).

It can be written as a sum of positive squares in 2 ways, for example, as 1232100 + 1096209 = 1110^2 + 1047^2 .

It is not a de Polignac number, because 2328309 - 2¹ = 2328307 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2328307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1572 + ... + 2669.

It is an arithmetic number, because the mean of its divisors is an integer number (284921).

2^2328309 is an apocalyptic number.

It is an amenable number.

2328309 is a deficient number, since it is larger than the sum of its proper divisors (1090743).

2328309 is a wasteful number, since it uses less digits than its factorization.

2328309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 4305 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2328309 is about 1525.8797462448. The cubic root of 2328309 is about 132.5399713274.

The spelling of 2328309 in words is "two million, three hundred twenty-eight thousand, three hundred nine".