283279868 has 12 divisors (see below), whose sum is σ = 517293840. Its totient is φ = 135481632.

The previous prime is 283279861. The next prime is 283279879. The reversal of 283279868 is 868972382.

It is a super-2 number, since 2×283279868² = 160494967228194848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283279861) 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 3 ways as a sum of consecutive naturals, for example, 1539473 + ... + 1539656.

It is an arithmetic number, because the mean of its divisors is an integer number (43107820).

Almost surely, 2^283279868 is an apocalyptic number.

It is an amenable number.

283279868 is a deficient number, since it is larger than the sum of its proper divisors (234013972).

283279868 is a wasteful number, since it uses less digits than its factorization.

283279868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079156 (or 3079154 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 283279868 is about 16830.9199986216. The cubic root of 283279868 is about 656.7577965665.

The spelling of 283279868 in words is "two hundred eighty-three million, two hundred seventy-nine thousand, eight hundred sixty-eight".