8423538 has 8 divisors (see below), whose sum is σ = 16847088. Its totient is φ = 2807844.

The previous prime is 8423507. The next prime is 8423549. The reversal of 8423538 is 8353248.

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

8423538 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 8423499 and 8423508.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 701956 + ... + 701967.

It is an arithmetic number, because the mean of its divisors is an integer number (2105886).

Almost surely, 2^8423538 is an apocalyptic number.

8423538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8423538 is a wasteful number, since it uses less digits than its factorization.

8423538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403928.

The product of its digits is 23040, while the sum is 33.

The square root of 8423538 is about 2902.3331993415. Note that the first 3 decimals coincide. The cubic root of 8423538 is about 203.4689668080.

The spelling of 8423538 in words is "eight million, four hundred twenty-three thousand, five hundred thirty-eight".