8642230 has 8 divisors (see below), whose sum is σ = 15556032. Its totient is φ = 3456888.

The previous prime is 8642197. The next prime is 8642237. The reversal of 8642230 is 322468.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 8642195 and 8642204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8642237) 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, 432102 + ... + 432121.

It is an arithmetic number, because the mean of its divisors is an integer number (1944504).

Almost surely, 2^8642230 is an apocalyptic number.

8642230 is a deficient number, since it is larger than the sum of its proper divisors (6913802).

8642230 is a wasteful number, since it uses less digits than its factorization.

8642230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864230.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 8642230 is about 2939.7669975697. The cubic root of 8642230 is about 205.2147660009.

Adding to 8642230 its reverse (322468), we get a palindrome (8964698).

The spelling of 8642230 in words is "eight million, six hundred forty-two thousand, two hundred thirty".