3139284 has 24 divisors (see below), whose sum is σ = 7384608. Its totient is φ = 1037920.

The previous prime is 3139267. The next prime is 3139291. The reversal of 3139284 is 4829313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574 + ... + 2570.

It is an arithmetic number, because the mean of its divisors is an integer number (307692).

Almost surely, 2^3139284 is an apocalyptic number.

It is an amenable number.

3139284 is an abundant number, since it is smaller than the sum of its proper divisors (4245324).

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

3139284 is a wasteful number, since it uses less digits than its factorization.

3139284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2133 counting only the distinct ones).

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

The square root of 3139284 is about 1771.8024720606. The cubic root of 3139284 is about 146.4233039435.

The spelling of 3139284 in words is "three million, one hundred thirty-nine thousand, two hundred eighty-four".