3939312 has 80 divisors (see below), whose sum is σ = 11249280. Its totient is φ = 1180416.

The previous prime is 3939277. The next prime is 3939337. The reversal of 3939312 is 2139393.

It is a self number, because there is not a number n which added to its sum of digits gives 3939312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36763 + ... + 36869.

It is an arithmetic number, because the mean of its divisors is an integer number (140616).

Almost surely, 2^3939312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3939312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5624640).

3939312 is an abundant number, since it is smaller than the sum of its proper divisors (7309968).

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

3939312 is a wasteful number, since it uses less digits than its factorization.

3939312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 184 counting only the distinct ones).

The product of its digits is 4374, while the sum is 30.

The square root of 3939312 is about 1984.7700118654. The cubic root of 3939312 is about 157.9332089644.

The spelling of 3939312 in words is "three million, nine hundred thirty-nine thousand, three hundred twelve".