9942312 has 32 divisors (see below), whose sum is σ = 24948000. Its totient is φ = 3301824.

The previous prime is 9942311. The next prime is 9942341. The reversal of 9942312 is 2132499.

9942312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9942312.

It is not an unprimeable number, because it can be changed into a prime (9942311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7783 + ... + 8969.

It is an arithmetic number, because the mean of its divisors is an integer number (779625).

Almost surely, 2^9942312 is an apocalyptic number.

It is an amenable number.

9942312 is an abundant number, since it is smaller than the sum of its proper divisors (15005688).

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

9942312 is a wasteful number, since it uses less digits than its factorization.

9942312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1541 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 9942312 is about 3153.1431937037. The cubic root of 9942312 is about 215.0283863728.

The spelling of 9942312 in words is "nine million, nine hundred forty-two thousand, three hundred twelve".