8427242 has 8 divisors (see below), whose sum is σ = 12678336. Its totient is φ = 4201132.

The previous prime is 8427233. The next prime is 8427247. The reversal of 8427242 is 2427248.

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

It is not an unprimeable number, because it can be changed into a prime (8427247) 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, 5378 + ... + 6765.

It is an arithmetic number, because the mean of its divisors is an integer number (1584792).

Almost surely, 2^8427242 is an apocalyptic number.

8427242 is a deficient number, since it is larger than the sum of its proper divisors (4251094).

8427242 is a wasteful number, since it uses less digits than its factorization.

8427242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12492.

The product of its digits is 7168, while the sum is 29.

The square root of 8427242 is about 2902.9712365092. The cubic root of 8427242 is about 203.4987855775.

The spelling of 8427242 in words is "eight million, four hundred twenty-seven thousand, two hundred forty-two".