8039942 has 8 divisors (see below), whose sum is σ = 12184536. Its totient is φ = 3978432.

The previous prime is 8039939. The next prime is 8039947. The reversal of 8039942 is 2499308.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8039947) 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, 20528 + ... + 20915.

It is an arithmetic number, because the mean of its divisors is an integer number (1523067).

Almost surely, 2^8039942 is an apocalyptic number.

8039942 is a deficient number, since it is larger than the sum of its proper divisors (4144594).

8039942 is a wasteful number, since it uses less digits than its factorization.

8039942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41542.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 8039942 is about 2835.4791482217. The cubic root of 8039942 is about 200.3322975858.

The spelling of 8039942 in words is "eight million, thirty-nine thousand, nine hundred forty-two".