8478238 has 8 divisors (see below), whose sum is σ = 12834360. Its totient is φ = 4200120.

The previous prime is 8478209. The next prime is 8478259. The reversal of 8478238 is 8328748.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8478238.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19228 + ... + 19663.

It is an arithmetic number, because the mean of its divisors is an integer number (1604295).

Almost surely, 2^8478238 is an apocalyptic number.

8478238 is a deficient number, since it is larger than the sum of its proper divisors (4356122).

8478238 is a wasteful number, since it uses less digits than its factorization.

8478238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39002.

The product of its digits is 86016, while the sum is 40.

The square root of 8478238 is about 2911.7414033530. The cubic root of 8478238 is about 203.9084396241.

The spelling of 8478238 in words is "eight million, four hundred seventy-eight thousand, two hundred thirty-eight".