383896217 has 8 divisors (see below), whose sum is σ = 394400160. Its totient is φ = 373464000.

The previous prime is 383896213. The next prime is 383896231. The reversal of 383896217 is 712698383.

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 383896217 - 2² = 383896213 is a prime.

It is a super-2 number, since 2×383896217² = 294752610853822178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383896213) 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, 6992 + ... + 28577.

It is an arithmetic number, because the mean of its divisors is an integer number (49300020).

Almost surely, 2^383896217 is an apocalyptic number.

It is an amenable number.

383896217 is a deficient number, since it is larger than the sum of its proper divisors (10503943).

383896217 is a wasteful number, since it uses less digits than its factorization.

383896217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35863.

The product of its digits is 435456, while the sum is 47.

The square root of 383896217 is about 19593.2696862979. The cubic root of 383896217 is about 726.7827499042.

The spelling of 383896217 in words is "three hundred eighty-three million, eight hundred ninety-six thousand, two hundred seventeen".