283993983 has 48 divisors (see below), whose sum is σ = 508924416. Its totient is φ = 148599360.

The previous prime is 283993951. The next prime is 283993987. The reversal of 283993983 is 389399382.

It is not a de Polignac number, because 283993983 - 2⁵ = 283993951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283993987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105966 + ... + 108612.

It is an arithmetic number, because the mean of its divisors is an integer number (10602592).

Almost surely, 2^283993983 is an apocalyptic number.

283993983 is a deficient number, since it is larger than the sum of its proper divisors (224930433).

283993983 is a wasteful number, since it uses less digits than its factorization.

283993983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804 (or 2801 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 283993983 is about 16852.1210237762. The cubic root of 283993983 is about 657.3092030253.

The spelling of 283993983 in words is "two hundred eighty-three million, nine hundred ninety-three thousand, nine hundred eighty-three".