8397818 has 16 divisors (see below), whose sum is σ = 14799456. Its totient is φ = 3523440.

The previous prime is 8397817. The next prime is 8397827. The reversal of 8397818 is 8187938.

It is a super-2 number, since 2×8397818² = 141046694322248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8397817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14396 + ... + 14967.

It is an arithmetic number, because the mean of its divisors is an integer number (924966).

Almost surely, 2^8397818 is an apocalyptic number.

8397818 is a deficient number, since it is larger than the sum of its proper divisors (6401638).

8397818 is a wasteful number, since it uses less digits than its factorization.

8397818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29389.

The product of its digits is 96768, while the sum is 44.

The square root of 8397818 is about 2897.8988940265. The cubic root of 8397818 is about 203.2616684351.

The spelling of 8397818 in words is "eight million, three hundred ninety-seven thousand, eight hundred eighteen".