283424280 has 64 divisors (see below), whose sum is σ = 855036000. Its totient is φ = 75156480.

The previous prime is 283424243. The next prime is 283424291. The reversal of 283424280 is 82424382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15196 + ... + 28244.

Almost surely, 2^283424280 is an apocalyptic number.

283424280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283424280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427518000).

283424280 is an abundant number, since it is smaller than the sum of its proper divisors (571611720).

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

283424280 is a wasteful number, since it uses less digits than its factorization.

283424280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13244 (or 13240 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 283424280 is about 16835.2095324056. The cubic root of 283424280 is about 656.8693794986.

The spelling of 283424280 in words is "two hundred eighty-three million, four hundred twenty-four thousand, two hundred eighty".