8391334 has 16 divisors (see below), whose sum is σ = 14630400. Its totient is φ = 3534984.

The previous prime is 8391323. The next prime is 8391337. The reversal of 8391334 is 4331938.

It is a junction number, because it is equal to n+sod(n) for n = 8391296 and 8391305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8391337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4254 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (914400).

Almost surely, 2^8391334 is an apocalyptic number.

8391334 is a deficient number, since it is larger than the sum of its proper divisors (6239066).

8391334 is a wasteful number, since it uses less digits than its factorization.

8391334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227.

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

The square root of 8391334 is about 2896.7799364122. The cubic root of 8391334 is about 203.2093418267.

The spelling of 8391334 in words is "eight million, three hundred ninety-one thousand, three hundred thirty-four".