383855042 has 16 divisors (see below), whose sum is σ = 583080120. Its totient is φ = 189501312.

The previous prime is 383855009. The next prime is 383855099. The reversal of 383855042 is 240558383.

It can be written as a sum of positive squares in 4 ways, for example, as 331567681 + 52287361 = 18209^2 + 7231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 383854987 and 383855005.

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 7 ways as a sum of consecutive naturals, for example, 193568 + ... + 195540.

Almost surely, 2^383855042 is an apocalyptic number.

383855042 is a deficient number, since it is larger than the sum of its proper divisors (199225078).

383855042 is a wasteful number, since it uses less digits than its factorization.

383855042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 383855042 is about 19592.2189146610. The cubic root of 383855042 is about 726.7567651472.

The spelling of 383855042 in words is "three hundred eighty-three million, eight hundred fifty-five thousand, forty-two".