383217864 has 16 divisors (see below), whose sum is σ = 958044720. Its totient is φ = 127739280.

The previous prime is 383217841. The next prime is 383217869. The reversal of 383217864 is 468712383.

It is not an unprimeable number, because it can be changed into a prime (383217869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7983682 + ... + 7983729.

It is an arithmetic number, because the mean of its divisors is an integer number (59877795).

Almost surely, 2^383217864 is an apocalyptic number.

It is an amenable number.

383217864 is an abundant number, since it is smaller than the sum of its proper divisors (574826856).

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

383217864 is a wasteful number, since it uses less digits than its factorization.

383217864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15967420 (or 15967416 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 383217864 is about 19575.9511646305. The cubic root of 383217864 is about 726.3544171831.

The spelling of 383217864 in words is "three hundred eighty-three million, two hundred seventeen thousand, eight hundred sixty-four".