383878338 has 16 divisors (see below), whose sum is σ = 771141600. Its totient is φ = 127395296.

The previous prime is 383878331. The next prime is 383878361. The reversal of 383878338 is 833878383.

It is not an unprimeable number, because it can be changed into a prime (383878331) 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, 139563 + ... + 142286.

It is an arithmetic number, because the mean of its divisors is an integer number (48196350).

Almost surely, 2^383878338 is an apocalyptic number.

383878338 is an abundant number, since it is smaller than the sum of its proper divisors (387263262).

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

383878338 is a wasteful number, since it uses less digits than its factorization.

383878338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282081.

The product of its digits is 2322432, while the sum is 51.

The square root of 383878338 is about 19592.8134273769. The cubic root of 383878338 is about 726.7714670366.

The spelling of 383878338 in words is "three hundred eighty-three million, eight hundred seventy-eight thousand, three hundred thirty-eight".