8393418 has 24 divisors (see below), whose sum is σ = 19839456. Its totient is φ = 2543400.

The previous prime is 8393389. The next prime is 8393419. The reversal of 8393418 is 8143938.

It is not an unprimeable number, because it can be changed into a prime (8393419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20998 + ... + 21393.

It is an arithmetic number, because the mean of its divisors is an integer number (826644).

Almost surely, 2^8393418 is an apocalyptic number.

8393418 is an abundant number, since it is smaller than the sum of its proper divisors (11446038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8393418 is a wasteful number, since it uses less digits than its factorization.

8393418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42410 (or 42407 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 8393418 is about 2897.1396238359. The cubic root of 8393418 is about 203.2261628794.

The spelling of 8393418 in words is "eight million, three hundred ninety-three thousand, four hundred eighteen".