383387922 has 12 divisors (see below), whose sum is σ = 830673870. Its totient is φ = 127795968.

The previous prime is 383387857. The next prime is 383387923. The reversal of 383387922 is 229783383.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 342287001 + 41100921 = 18501^2 + 6411^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (383387923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10649647 + ... + 10649682.

Almost surely, 2^383387922 is an apocalyptic number.

383387922 is an abundant number, since it is smaller than the sum of its proper divisors (447285948).

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

383387922 is a wasteful number, since it uses less digits than its factorization.

383387922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299337 (or 21299334 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 383387922 is about 19580.2942265942. The cubic root of 383387922 is about 726.4618444231.

The spelling of 383387922 in words is "three hundred eighty-three million, three hundred eighty-seven thousand, nine hundred twenty-two".