8039442 has 8 divisors (see below), whose sum is σ = 16078896. Its totient is φ = 2679812.

The previous prime is 8039441. The next prime is 8039461. The reversal of 8039442 is 2449308.

It is a happy number.

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

8039442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (8039441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669948 + ... + 669959.

It is an arithmetic number, because the mean of its divisors is an integer number (2009862).

Almost surely, 2^8039442 is an apocalyptic number.

8039442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8039442 is a wasteful number, since it uses less digits than its factorization.

8039442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339912.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8039442 is about 2835.3909783309. The cubic root of 8039442 is about 200.3281446443.

The spelling of 8039442 in words is "eight million, thirty-nine thousand, four hundred forty-two".