3139842 has 8 divisors (see below), whose sum is σ = 6279696. Its totient is φ = 1046612.

The previous prime is 3139841. The next prime is 3139847. The reversal of 3139842 is 2489313.

3139842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3139842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3139841) 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, 261648 + ... + 261659.

It is an arithmetic number, because the mean of its divisors is an integer number (784962).

Almost surely, 2^3139842 is an apocalyptic number.

3139842 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.

3139842 is a wasteful number, since it uses less digits than its factorization.

3139842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523312.

The product of its digits is 5184, while the sum is 30.

The square root of 3139842 is about 1771.9599318269. The cubic root of 3139842 is about 146.4319788901.

The spelling of 3139842 in words is "three million, one hundred thirty-nine thousand, eight hundred forty-two".