283921648 has 20 divisors (see below), whose sum is σ = 550365568. Its totient is φ = 141891840.

The previous prime is 283921613. The next prime is 283921657. The reversal of 283921648 is 846129382.

283921648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×283921648² = 161223004406071808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 51640 + ... + 56872.

Almost surely, 2^283921648 is an apocalyptic number.

It is an amenable number.

283921648 is a deficient number, since it is larger than the sum of its proper divisors (266443920).

283921648 is a wasteful number, since it uses less digits than its factorization.

283921648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632 (or 8626 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 283921648 is about 16849.9747180819. The cubic root of 283921648 is about 657.2533913985.

The spelling of 283921648 in words is "two hundred eighty-three million, nine hundred twenty-one thousand, six hundred forty-eight".