8442342 has 24 divisors (see below), whose sum is σ = 18349344. Its totient is φ = 2805264.

The previous prime is 8442337. The next prime is 8442349. The reversal of 8442342 is 2432448.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7828 + ... + 8840.

It is an arithmetic number, because the mean of its divisors is an integer number (764556).

Almost surely, 2^8442342 is an apocalyptic number.

8442342 is an abundant number, since it is smaller than the sum of its proper divisors (9907002).

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

8442342 is a wasteful number, since it uses less digits than its factorization.

8442342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1481 counting only the distinct ones).

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

The square root of 8442342 is about 2905.5708561314. The cubic root of 8442342 is about 203.6202566424.

The spelling of 8442342 in words is "eight million, four hundred forty-two thousand, three hundred forty-two".