283968663 has 16 divisors (see below), whose sum is σ = 437342976. Its totient is φ = 161978240.

The previous prime is 283968589. The next prime is 283968683. The reversal of 283968663 is 366869382.

It is a cyclic number.

It is not a de Polignac number, because 283968663 - 2²² = 279774359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283968683) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 252531 + ... + 253652.

It is an arithmetic number, because the mean of its divisors is an integer number (27333936).

Almost surely, 2^283968663 is an apocalyptic number.

283968663 is a deficient number, since it is larger than the sum of its proper divisors (153374313).

283968663 is a wasteful number, since it uses less digits than its factorization.

283968663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506214.

The product of its digits is 2239488, while the sum is 51.

The square root of 283968663 is about 16851.3697662831. The cubic root of 283968663 is about 657.2896679123.

The spelling of 283968663 in words is "two hundred eighty-three million, nine hundred sixty-eight thousand, six hundred sixty-three".