283913856 has 128 divisors (see below), whose sum is σ = 846518400. Its totient is φ = 93671424.

The previous prime is 283913843. The next prime is 283913873. The reversal of 283913856 is 658319382.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 390165 + ... + 390891.

It is an arithmetic number, because the mean of its divisors is an integer number (6613425).

Almost surely, 2^283913856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283913856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423259200).

283913856 is an abundant number, since it is smaller than the sum of its proper divisors (562604544).

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

283913856 is a wasteful number, since it uses less digits than its factorization.

283913856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 845 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 283913856 is about 16849.7434995314. The cubic root of 283913856 is about 657.2473787476.

The spelling of 283913856 in words is "two hundred eighty-three million, nine hundred thirteen thousand, eight hundred fifty-six".