383854988 has 12 divisors (see below), whose sum is σ = 732814152. Its totient is φ = 174479520.

The previous prime is 383854973. The next prime is 383855009. The reversal of 383854988 is 889458383.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4361945 + ... + 4362032.

It is an arithmetic number, because the mean of its divisors is an integer number (61067846).

Almost surely, 2^383854988 is an apocalyptic number.

It is an amenable number.

383854988 is a deficient number, since it is larger than the sum of its proper divisors (348959164).

383854988 is a wasteful number, since it uses less digits than its factorization.

383854988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723992 (or 8723990 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 56.

The square root of 383854988 is about 19592.2175365628. The cubic root of 383854988 is about 726.7567310676.

The spelling of 383854988 in words is "three hundred eighty-three million, eight hundred fifty-four thousand, nine hundred eighty-eight".