2309308 has 6 divisors (see below), whose sum is σ = 4041296. Its totient is φ = 1154652.

The previous prime is 2309303. The next prime is 2309323. The reversal of 2309308 is 8039032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288660 + ... + 288667.

2^2309308 is an apocalyptic number.

It is an amenable number.

2309308 is a deficient number, since it is larger than the sum of its proper divisors (1731988).

2309308 is a wasteful number, since it uses less digits than its factorization.

2309308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577331 (or 577329 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2309308 is about 1519.6407470188. The cubic root of 2309308 is about 132.1784394213.

The spelling of 2309308 in words is "two million, three hundred nine thousand, three hundred eight".