3129282 has 48 divisors (see below), whose sum is σ = 7495488. Its totient is φ = 937440.

The previous prime is 3129271. The next prime is 3129289. The reversal of 3129282 is 2829213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3129289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9907 + ... + 10217.

It is an arithmetic number, because the mean of its divisors is an integer number (156156).

Almost surely, 2^3129282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3129282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3747744).

3129282 is an abundant number, since it is smaller than the sum of its proper divisors (4366206).

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

3129282 is a wasteful number, since it uses less digits than its factorization.

3129282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 372 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 3129282 is about 1768.9776708596. The cubic root of 3129282 is about 146.2676332015.

The spelling of 3129282 in words is "three million, one hundred twenty-nine thousand, two hundred eighty-two".