393039382 has 16 divisors (see below), whose sum is σ = 606024000. Its totient is φ = 191040768.

The previous prime is 393039347. The next prime is 393039389. The reversal of 393039382 is 283930393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393039389) 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, 146598 + ... + 149254.

It is an arithmetic number, because the mean of its divisors is an integer number (37876500).

Almost surely, 2^393039382 is an apocalyptic number.

393039382 is a deficient number, since it is larger than the sum of its proper divisors (212984618).

393039382 is a wasteful number, since it uses less digits than its factorization.

393039382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 393039382 is about 19825.2208562730. The cubic root of 393039382 is about 732.5074106889.

The spelling of 393039382 in words is "three hundred ninety-three million, thirty-nine thousand, three hundred eighty-two".