393034212 has 72 divisors (see below), whose sum is σ = 1041296256. Its totient is φ = 124760064.

The previous prime is 393034211. The next prime is 393034253. The reversal of 393034212 is 212430393.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (393034211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211873 + ... + 213719.

It is an arithmetic number, because the mean of its divisors is an integer number (14462448).

Almost surely, 2^393034212 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 393034212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520648128).

393034212 is an abundant number, since it is smaller than the sum of its proper divisors (648262044).

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

393034212 is a wasteful number, since it uses less digits than its factorization.

393034212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 393034212 is about 19825.0904663762. The cubic root of 393034212 is about 732.5041988988.

The spelling of 393034212 in words is "three hundred ninety-three million, thirty-four thousand, two hundred twelve".