3139266 has 32 divisors (see below), whose sum is σ = 6830208. Its totient is φ = 956160.

The previous prime is 3139261. The next prime is 3139267. The reversal of 3139266 is 6629313.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3139261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12906 + ... + 13146.

It is an arithmetic number, because the mean of its divisors is an integer number (213444).

Almost surely, 2^3139266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3139266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3415104).

3139266 is an abundant number, since it is smaller than the sum of its proper divisors (3690942).

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

3139266 is a wasteful number, since it uses less digits than its factorization.

3139266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its digits is 5832, while the sum is 30.

The square root of 3139266 is about 1771.7973924803. The cubic root of 3139266 is about 146.4230240894.

The spelling of 3139266 in words is "three million, one hundred thirty-nine thousand, two hundred sixty-six".