283387668 has 12 divisors (see below), whose sum is σ = 661237920. Its totient is φ = 94462552.

The previous prime is 283387633. The next prime is 283387693. The reversal of 283387668 is 866783382.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 283387668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11807808 + ... + 11807831.

It is an arithmetic number, because the mean of its divisors is an integer number (55103160).

Almost surely, 2^283387668 is an apocalyptic number.

It is an amenable number.

283387668 is an abundant number, since it is smaller than the sum of its proper divisors (377850252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

283387668 is a wasteful number, since it uses less digits than its factorization.

283387668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23615646 (or 23615644 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 283387668 is about 16834.1221333338. The cubic root of 283387668 is about 656.8410940634.

The spelling of 283387668 in words is "two hundred eighty-three million, three hundred eighty-seven thousand, six hundred sixty-eight".