393828117 has 8 divisors (see below), whose sum is σ = 525308160. Its totient is φ = 262450080.

The previous prime is 393828079. The next prime is 393828119. The reversal of 393828117 is 711828393.

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

It is not a de Polignac number, because 393828117 - 2⁶ = 393828053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393828119) 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, 15984 + ... + 32297.

It is an arithmetic number, because the mean of its divisors is an integer number (65663520).

Almost surely, 2^393828117 is an apocalyptic number.

It is an amenable number.

393828117 is a deficient number, since it is larger than the sum of its proper divisors (131480043).

393828117 is a wasteful number, since it uses less digits than its factorization.

393828117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51003.

The product of its digits is 72576, while the sum is 42.

The square root of 393828117 is about 19845.1030987496. The cubic root of 393828117 is about 732.9970717070.

The spelling of 393828117 in words is "three hundred ninety-three million, eight hundred twenty-eight thousand, one hundred seventeen".