8256345 has 16 divisors (see below), whose sum is σ = 13329792. Its totient is φ = 4363520.

The previous prime is 8256341. The next prime is 8256361. The reversal of 8256345 is 5436528.

It is not a de Polignac number, because 8256345 - 2² = 8256341 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8256341) 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 15 ways as a sum of consecutive naturals, for example, 741 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (833112).

Almost surely, 2^8256345 is an apocalyptic number.

It is an amenable number.

8256345 is a deficient number, since it is larger than the sum of its proper divisors (5073447).

8256345 is a wasteful number, since it uses less digits than its factorization.

8256345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992.

The product of its digits is 28800, while the sum is 33.

The square root of 8256345 is about 2873.3856337081. The cubic root of 8256345 is about 202.1137891062.

The spelling of 8256345 in words is "eight million, two hundred fifty-six thousand, three hundred forty-five".