309068386 has 8 divisors (see below), whose sum is σ = 505748304. Its totient is φ = 140485620.

The previous prime is 309068371. The next prime is 309068393. The reversal of 309068386 is 683860903.

309068386 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7024260 + ... + 7024303.

It is an arithmetic number, because the mean of its divisors is an integer number (63218538).

Almost surely, 2^309068386 is an apocalyptic number.

309068386 is a deficient number, since it is larger than the sum of its proper divisors (196679918).

309068386 is a wasteful number, since it uses less digits than its factorization.

309068386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14048576.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 309068386 is about 17580.3408954434. The cubic root of 309068386 is about 676.1113004302. Note that the first 3 decimals are identical.

The spelling of 309068386 in words is "three hundred nine million, sixty-eight thousand, three hundred eighty-six".