393935016 has 64 divisors (see below), whose sum is σ = 1046278080. Its totient is φ = 123171840.

The previous prime is 393934987. The next prime is 393935039. The reversal of 393935016 is 610539393.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 133590 + ... + 136506.

It is an arithmetic number, because the mean of its divisors is an integer number (16348095).

Almost surely, 2^393935016 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 393935016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523139040).

393935016 is an abundant number, since it is smaller than the sum of its proper divisors (652343064).

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

393935016 is a wasteful number, since it uses less digits than its factorization.

393935016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 39.

The square root of 393935016 is about 19847.7962504657. The cubic root of 393935016 is about 733.0633862251.

The spelling of 393935016 in words is "three hundred ninety-three million, nine hundred thirty-five thousand, sixteen".