9939312 has 60 divisors (see below), whose sum is σ = 29035344. Its totient is φ = 3168000.

The previous prime is 9939301. The next prime is 9939323. The reversal of 9939312 is 2139399.

9939312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9939301) and next prime (9939323).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1812 + ... + 4812.

Almost surely, 2^9939312 is an apocalyptic number.

9939312 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9939312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14517672).

9939312 is an abundant number, since it is smaller than the sum of its proper divisors (19096032).

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

9939312 is a wasteful number, since it uses less digits than its factorization.

9939312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038 (or 3029 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 9939312 is about 3152.6674420243. The cubic root of 9939312 is about 215.0067565931.

The spelling of 9939312 in words is "nine million, nine hundred thirty-nine thousand, three hundred twelve".