3139242 has 8 divisors (see below), whose sum is σ = 6278496. Its totient is φ = 1046412.

The previous prime is 3139231. The next prime is 3139259. The reversal of 3139242 is 2429313.

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

3139242 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261598 + ... + 261609.

It is an arithmetic number, because the mean of its divisors is an integer number (784812).

Almost surely, 2^3139242 is an apocalyptic number.

3139242 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.

3139242 is a wasteful number, since it uses less digits than its factorization.

3139242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523212.

The product of its digits is 1296, while the sum is 24.

The square root of 3139242 is about 1771.7906196839. The cubic root of 3139242 is about 146.4226509490.

The spelling of 3139242 in words is "three million, one hundred thirty-nine thousand, two hundred forty-two".