8238479 has 4 divisors (see below), whose sum is σ = 8393976. Its totient is φ = 8082984.

The previous prime is 8238443. The next prime is 8238481. The reversal of 8238479 is 9748328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8238479 - 2¹⁶ = 8172943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8238179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77669 + ... + 77774.

It is an arithmetic number, because the mean of its divisors is an integer number (2098494).

Almost surely, 2^8238479 is an apocalyptic number.

8238479 is a deficient number, since it is larger than the sum of its proper divisors (155497).

8238479 is a wasteful number, since it uses less digits than its factorization.

8238479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155496.

The product of its digits is 96768, while the sum is 41.

The square root of 8238479 is about 2870.2750739258. The cubic root of 8238479 is about 201.9678983722.

The spelling of 8238479 in words is "eight million, two hundred thirty-eight thousand, four hundred seventy-nine".