383878934 has 4 divisors (see below), whose sum is σ = 575818404. Its totient is φ = 191939466.

The previous prime is 383878919. The next prime is 383878961. The reversal of 383878934 is 439878383.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95969732 + ... + 95969735.

It is an arithmetic number, because the mean of its divisors is an integer number (143954601).

Almost surely, 2^383878934 is an apocalyptic number.

383878934 is a deficient number, since it is larger than the sum of its proper divisors (191939470).

383878934 is a wasteful number, since it uses less digits than its factorization.

383878934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191939469.

The product of its digits is 3483648, while the sum is 53.

The square root of 383878934 is about 19592.8286370294. The cubic root of 383878934 is about 726.7718431589.

The spelling of 383878934 in words is "three hundred eighty-three million, eight hundred seventy-eight thousand, nine hundred thirty-four".