8386934634 has 48 divisors (see below), whose sum is σ = 19576886784. Its totient is φ = 2579623200.

The previous prime is 8386934629. The next prime is 8386934639. The reversal of 8386934634 is 4364396838.

It is an interprime number because it is at equal distance from previous prime (8386934629) and next prime (8386934639).

It is not an unprimeable number, because it can be changed into a prime (8386934639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 844719 + ... + 854589.

It is an arithmetic number, because the mean of its divisors is an integer number (407851808).

Almost surely, 2^8386934634 is an apocalyptic number.

8386934634 is an abundant number, since it is smaller than the sum of its proper divisors (11189952150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8386934634 is a wasteful number, since it uses less digits than its factorization.

8386934634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13523 (or 13520 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The square root of 8386934634 is about 91580.2087462133. The cubic root of 8386934634 is about 2031.7382309800.

The spelling of 8386934634 in words is "eight billion, three hundred eighty-six million, nine hundred thirty-four thousand, six hundred thirty-four".