393272112 has 80 divisors (see below), whose sum is σ = 1056995840. Its totient is φ = 125888256.

The previous prime is 393272081. The next prime is 393272119. The reversal of 393272112 is 211272393.

It is a self number, because there is not a number n which added to its sum of digits gives 393272112.

It is not an unprimeable number, because it can be changed into a prime (393272119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138903 + ... + 141705.

It is an arithmetic number, because the mean of its divisors is an integer number (13212448).

Almost surely, 2^393272112 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 393272112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528497920).

393272112 is an abundant number, since it is smaller than the sum of its proper divisors (663723728).

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

393272112 is a wasteful number, since it uses less digits than its factorization.

393272112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930 (or 2924 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 393272112 is about 19831.0895313394. The cubic root of 393272112 is about 732.6519617785.

The spelling of 393272112 in words is "three hundred ninety-three million, two hundred seventy-two thousand, one hundred twelve".