8297985 has 16 divisors (see below), whose sum is σ = 13340736. Its totient is φ = 4404288.

The previous prime is 8297981. The next prime is 8297999. The reversal of 8297985 is 5897928.

It is a happy number.

8297985 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8297985 - 2² = 8297981 is a prime.

8297985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8297981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2187 + ... + 4623.

It is an arithmetic number, because the mean of its divisors is an integer number (833796).

Almost surely, 2^8297985 is an apocalyptic number.

It is an amenable number.

8297985 is a deficient number, since it is larger than the sum of its proper divisors (5042751).

8297985 is a wasteful number, since it uses less digits than its factorization.

8297985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672.

The product of its digits is 362880, while the sum is 48.

The square root of 8297985 is about 2880.6223285950. The cubic root of 8297985 is about 202.4529993037.

The spelling of 8297985 in words is "eight million, two hundred ninety-seven thousand, nine hundred eighty-five".