8320347 has 48 divisors (see below), whose sum is σ = 15139200. Its totient is φ = 4490640.

The previous prime is 8320313. The next prime is 8320373. The reversal of 8320347 is 7430238.

It is not a de Polignac number, because 8320347 - 2⁷ = 8320219 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

8320347 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8320347.

It is not an unprimeable number, because it can be changed into a prime (8320387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24972 + ... + 25302.

It is an arithmetic number, because the mean of its divisors is an integer number (315400).

Almost surely, 2^8320347 is an apocalyptic number.

8320347 is a deficient number, since it is larger than the sum of its proper divisors (6818853).

8320347 is a wasteful number, since it uses less digits than its factorization.

8320347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 8320347 is about 2884.5011700466. The cubic root of 8320347 is about 202.6346977626.

The spelling of 8320347 in words is "eight million, three hundred twenty thousand, three hundred forty-seven".