8423938 has 8 divisors (see below), whose sum is σ = 12977532. Its totient is φ = 4098096.

The previous prime is 8423929. The next prime is 8423953. The reversal of 8423938 is 8393248.

It can be written as a sum of positive squares in 2 ways, for example, as 8392609 + 31329 = 2897^2 + 177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 8423897 and 8423906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56845 + ... + 56992.

Almost surely, 2^8423938 is an apocalyptic number.

8423938 is a deficient number, since it is larger than the sum of its proper divisors (4553594).

8423938 is a wasteful number, since it uses less digits than its factorization.

8423938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113876.

The product of its digits is 41472, while the sum is 37.

The square root of 8423938 is about 2902.4021085990. The cubic root of 8423938 is about 203.4721873985.

The spelling of 8423938 in words is "eight million, four hundred twenty-three thousand, nine hundred thirty-eight".