8197388 has 6 divisors (see below), whose sum is σ = 14345436. Its totient is φ = 4098692.

The previous prime is 8197381. The next prime is 8197403. The reversal of 8197388 is 8837918.

It is an Ulam number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (8197381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024670 + ... + 1024677.

It is an arithmetic number, because the mean of its divisors is an integer number (2390906).

Almost surely, 2^8197388 is an apocalyptic number.

It is an amenable number.

8197388 is a deficient number, since it is larger than the sum of its proper divisors (6148048).

8197388 is a wasteful number, since it uses less digits than its factorization.

8197388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049351 (or 2049349 counting only the distinct ones).

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

The square root of 8197388 is about 2863.1081013472. The cubic root of 8197388 is about 201.6315539654.

The spelling of 8197388 in words is "eight million, one hundred ninety-seven thousand, three hundred eighty-eight".