2309386 has 12 divisors (see below), whose sum is σ = 3590262. Its totient is φ = 1114064.

The previous prime is 2309371. The next prime is 2309389. The reversal of 2309386 is 6839032.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2307361 + 2025 = 1519^2 + 45^2 .

It is not an unprimeable number, because it can be changed into a prime (2309389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 996 + ... + 2368.

2^2309386 is an apocalyptic number.

2309386 is a deficient number, since it is larger than the sum of its proper divisors (1280876).

2309386 is a wasteful number, since it uses less digits than its factorization.

2309386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2309386 is about 1519.6664107626. Note that the first 3 decimals coincide. The cubic root of 2309386 is about 132.1799275730.

The spelling of 2309386 in words is "two million, three hundred nine thousand, three hundred eighty-six".