393894059 has 8 divisors (see below), whose sum is σ = 424446960. Its totient is φ = 363377376.

The previous prime is 393894031. The next prime is 393894077. The reversal of 393894059 is 950498393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 393894059 - 2¹² = 393889963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 393893998 and 393894016.

It is not an unprimeable number, because it can be changed into a prime (393894359) 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, 16157 + ... + 32385.

It is an arithmetic number, because the mean of its divisors is an integer number (53055870).

Almost surely, 2^393894059 is an apocalyptic number.

393894059 is a deficient number, since it is larger than the sum of its proper divisors (30552901).

393894059 is a wasteful number, since it uses less digits than its factorization.

393894059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18109.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 393894059 is about 19846.7644466296. The cubic root of 393894059 is about 733.0379800740.

The spelling of 393894059 in words is "three hundred ninety-three million, eight hundred ninety-four thousand, fifty-nine".