39331312 has 40 divisors (see below), whose sum is σ = 79280640. Its totient is φ = 18882240.

The previous prime is 39331291. The next prime is 39331321. The reversal of 39331312 is 21313393.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88563 + ... + 89005.

It is an arithmetic number, because the mean of its divisors is an integer number (1982016).

Almost surely, 2^39331312 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 39331312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39640320).

39331312 is an abundant number, since it is smaller than the sum of its proper divisors (39949328).

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

39331312 is a wasteful number, since it uses less digits than its factorization.

39331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 655 counting only the distinct ones).

The product of its digits is 1458, while the sum is 25.

The square root of 39331312 is about 6271.4680896900. The cubic root of 39331312 is about 340.0787360904.

The spelling of 39331312 in words is "thirty-nine million, three hundred thirty-one thousand, three hundred twelve".