8285947 has 2 divisors, whose sum is σ = 8285948. Its totient is φ = 8285946.

The previous prime is 8285941. The next prime is 8285983. The reversal of 8285947 is 7495828.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8285947 is a prime.

It is not a weakly prime, because it can be changed into another prime (8285941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4142973 + 4142974.

It is an arithmetic number, because the mean of its divisors is an integer number (4142974).

Almost surely, 2^8285947 is an apocalyptic number.

8285947 is a deficient number, since it is larger than the sum of its proper divisors (1).

8285947 is an equidigital number, since it uses as much as digits as its factorization.

8285947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 43.

The square root of 8285947 is about 2878.5320911881. The cubic root of 8285947 is about 202.3550514814.

The spelling of 8285947 in words is "eight million, two hundred eighty-five thousand, nine hundred forty-seven".