383985283 has 4 divisors (see below), whose sum is σ = 418893048. Its totient is φ = 349077520.

The previous prime is 383985263. The next prime is 383985311. The reversal of 383985283 is 382589383.

It is a happy number.

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

It is not a de Polignac number, because 383985283 - 2¹³ = 383977091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383985263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17453866 + ... + 17453887.

It is an arithmetic number, because the mean of its divisors is an integer number (104723262).

Almost surely, 2^383985283 is an apocalyptic number.

383985283 is a deficient number, since it is larger than the sum of its proper divisors (34907765).

383985283 is a wasteful number, since it uses less digits than its factorization.

383985283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34907764.

The product of its digits is 1244160, while the sum is 49.

The square root of 383985283 is about 19595.5424267868. The cubic root of 383985283 is about 726.8389514018.

It can be divided in two parts, 38398 and 5283, that added together give a square (43681 = 209²).

The spelling of 383985283 in words is "three hundred eighty-three million, nine hundred eighty-five thousand, two hundred eighty-three".