8201318 has 4 divisors (see below), whose sum is σ = 12301980. Its totient is φ = 4100658.

The previous prime is 8201311. The next prime is 8201321. The reversal of 8201318 is 8131028.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 8201293 and 8201302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8201311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050328 + ... + 2050331.

It is an arithmetic number, because the mean of its divisors is an integer number (3075495).

Almost surely, 2^8201318 is an apocalyptic number.

8201318 is a deficient number, since it is larger than the sum of its proper divisors (4100662).

8201318 is a wasteful number, since it uses less digits than its factorization.

8201318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100661.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 8201318 is about 2863.7943361911. The cubic root of 8201318 is about 201.6637709516.

The spelling of 8201318 in words is "eight million, two hundred one thousand, three hundred eighteen".