8309390834 has 8 divisors (see below), whose sum is σ = 12464538240. Its totient is φ = 4154544756.

The previous prime is 8309390833. The next prime is 8309390891. The reversal of 8309390834 is 4380939038.

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 (8309390833) 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, 15527 + ... + 129845.

It is an arithmetic number, because the mean of its divisors is an integer number (1558067280).

Almost surely, 2^8309390834 is an apocalyptic number.

8309390834 is a deficient number, since it is larger than the sum of its proper divisors (4155147406).

8309390834 is a wasteful number, since it uses less digits than its factorization.

8309390834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150664.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 8309390834 is about 91155.8601188097. The cubic root of 8309390834 is about 2025.4571611443.

The spelling of 8309390834 in words is "eight billion, three hundred nine million, three hundred ninety thousand, eight hundred thirty-four".