383640214 has 4 divisors (see below), whose sum is σ = 575460324. Its totient is φ = 191820106.

The previous prime is 383640211. The next prime is 383640227. The reversal of 383640214 is 412046383.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383640211) 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 as a sum of consecutive naturals, namely, 95910052 + ... + 95910055.

It is an arithmetic number, because the mean of its divisors is an integer number (143865081).

Almost surely, 2^383640214 is an apocalyptic number.

383640214 is a deficient number, since it is larger than the sum of its proper divisors (191820110).

383640214 is a wasteful number, since it uses less digits than its factorization.

383640214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191820109.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 383640214 is about 19586.7356647298. The cubic root of 383640214 is about 726.6211611471.

Adding to 383640214 its reverse (412046383), we get a palindrome (795686597).

The spelling of 383640214 in words is "three hundred eighty-three million, six hundred forty thousand, two hundred fourteen".