3139343 has 4 divisors (see below), whose sum is σ = 3144120.
Its totient is φ = 3134568.
The previous prime is 3139333. The next prime is 3139363. The reversal of 3139343 is 3439313.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3139343 - 24 = 3139327 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3139303) 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, 1208 + ... + 2781.
It is an arithmetic number, because the mean of its divisors is an integer number (786030).
Almost surely, 23139343 is an apocalyptic number.
3139343 is a deficient number, since it is larger than the sum of its proper divisors (4777).
3139343 is an equidigital number, since it uses as much as digits as its factorization.
3139343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4776.
The product of its digits is 2916, while the sum is 26.
The square root of 3139343 is about 1771.8191216939.
The cubic root of 3139343 is about 146.4242212356.
The spelling of 3139343 in words is "three million, one hundred thirty-nine thousand, three hundred forty-three".