8442234 has 48 divisors (see below), whose sum is σ = 19813248. Its totient is φ = 2587776.

The previous prime is 8442229. The next prime is 8442263. The reversal of 8442234 is 4322448.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8442198 and 8442207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14089 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (412776).

Almost surely, 2^8442234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8442234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9906624).

8442234 is an abundant number, since it is smaller than the sum of its proper divisors (11371014).

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

8442234 is a wasteful number, since it uses less digits than its factorization.

8442234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 656 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 8442234 is about 2905.5522710838. The cubic root of 8442234 is about 203.6193883572.

The spelling of 8442234 in words is "eight million, four hundred forty-two thousand, two hundred thirty-four".