2309378 has 8 divisors (see below), whose sum is σ = 3522960. Its totient is φ = 1135060.

The previous prime is 2309371. The next prime is 2309389. The reversal of 2309378 is 8739032.

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

It is not an unprimeable number, because it can be changed into a prime (2309371) 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, 9668 + ... + 9903.

It is an arithmetic number, because the mean of its divisors is an integer number (440370).

2^2309378 is an apocalyptic number.

2309378 is a deficient number, since it is larger than the sum of its proper divisors (1213582).

2309378 is a wasteful number, since it uses less digits than its factorization.

2309378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19632.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2309378 is about 1519.6637786037. The cubic root of 2309378 is about 132.1797749436.

The spelling of 2309378 in words is "two million, three hundred nine thousand, three hundred seventy-eight".