8418938 has 24 divisors (see below), whose sum is σ = 14619360. Its totient is φ = 3623400.

The previous prime is 8418937. The next prime is 8418941. The reversal of 8418938 is 8398148.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8418895 and 8418904.

It is not an unprimeable number, because it can be changed into a prime (8418937) 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 in 11 ways as a sum of consecutive naturals, for example, 3683 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (609140).

Almost surely, 2^8418938 is an apocalyptic number.

8418938 is a deficient number, since it is larger than the sum of its proper divisors (6200422).

8418938 is a wasteful number, since it uses less digits than its factorization.

8418938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1863 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 8418938 is about 2901.5406252541. The cubic root of 8418938 is about 203.4319226875.

It can be divided in two parts, 841 and 8938, that added together give a palindrome (9779).

The spelling of 8418938 in words is "eight million, four hundred eighteen thousand, nine hundred thirty-eight".