283217480 has 128 divisors (see below), whose sum is σ = 811641600. Its totient is φ = 86510592.

The previous prime is 283217461. The next prime is 283217489. The reversal of 283217480 is 84712382.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 283217480.

It is not an unprimeable number, because it can be changed into a prime (283217489) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 104219 + ... + 106901.

It is an arithmetic number, because the mean of its divisors is an integer number (6340950).

Almost surely, 2^283217480 is an apocalyptic number.

283217480 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 283217480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405820800).

283217480 is an abundant number, since it is smaller than the sum of its proper divisors (528424120).

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

283217480 is a wasteful number, since it uses less digits than its factorization.

283217480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 283217480 is about 16829.0665219435. The cubic root of 283217480 is about 656.7095794517.

The spelling of 283217480 in words is "two hundred eighty-three million, two hundred seventeen thousand, four hundred eighty".