393050442 has 16 divisors (see below), whose sum is σ = 791109792. Its totient is φ = 130182000.

The previous prime is 393050419. The next prime is 393050443. The reversal of 393050442 is 244050393.

It is not an unprimeable number, because it can be changed into a prime (393050443) 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 7 ways as a sum of consecutive naturals, for example, 207684 + ... + 209567.

It is an arithmetic number, because the mean of its divisors is an integer number (49444362).

Almost surely, 2^393050442 is an apocalyptic number.

393050442 is an abundant number, since it is smaller than the sum of its proper divisors (398059350).

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

393050442 is a wasteful number, since it uses less digits than its factorization.

393050442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417413.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 393050442 is about 19825.4997919346. The cubic root of 393050442 is about 732.5142814643.

The spelling of 393050442 in words is "three hundred ninety-three million, fifty thousand, four hundred forty-two".