393385073 has 16 divisors (see below), whose sum is σ = 414887040. Its totient is φ = 372594816.

The previous prime is 393385061. The next prime is 393385081. The reversal of 393385073 is 370583393.

It is a cyclic number.

It is not a de Polignac number, because 393385073 - 2¹⁰ = 393384049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 393385073.

It is not an unprimeable number, because it can be changed into a prime (393385673) 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, 219740 + ... + 221522.

It is an arithmetic number, because the mean of its divisors is an integer number (25930440).

Almost surely, 2^393385073 is an apocalyptic number.

It is an amenable number.

393385073 is a deficient number, since it is larger than the sum of its proper divisors (21501967).

393385073 is a wasteful number, since it uses less digits than its factorization.

393385073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 393385073 is about 19833.9374053666. The cubic root of 393385073 is about 732.7221025055.

The spelling of 393385073 in words is "three hundred ninety-three million, three hundred eighty-five thousand, seventy-three".