283644868 has 36 divisors (see below), whose sum is σ = 541770768. Its totient is φ = 129873120.

The previous prime is 283644841. The next prime is 283644883. The reversal of 283644868 is 868446382.

It is a super-2 number, since 2×283644868² = 160908822285474848, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 86955 + ... + 90157.

It is an arithmetic number, because the mean of its divisors is an integer number (15049188).

Almost surely, 2^283644868 is an apocalyptic number.

It is an amenable number.

283644868 is a deficient number, since it is larger than the sum of its proper divisors (258125900).

283644868 is a wasteful number, since it uses less digits than its factorization.

283644868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364 (or 3349 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 49.

The square root of 283644868 is about 16841.7596467828. The cubic root of 283644868 is about 657.0397482568.

The spelling of 283644868 in words is "two hundred eighty-three million, six hundred forty-four thousand, eight hundred sixty-eight".