280483664 has 10 divisors (see below), whose sum is σ = 543437130. Its totient is φ = 140241824.

The previous prime is 280483661. The next prime is 280483703. The reversal of 280483664 is 466384082.

280483664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 265429264 + 15054400 = 16292^2 + 3880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280483661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8765099 + ... + 8765130.

It is an arithmetic number, because the mean of its divisors is an integer number (54343713).

Almost surely, 2^280483664 is an apocalyptic number.

It is an amenable number.

280483664 is a deficient number, since it is larger than the sum of its proper divisors (262953466).

280483664 is a wasteful number, since it uses less digits than its factorization.

280483664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17530237 (or 17530231 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 280483664 is about 16747.6465212280. The cubic root of 280483664 is about 654.5897351169.

It can be divided in two parts, 2804 and 83664, that added together give a palindrome (86468).

The spelling of 280483664 in words is "two hundred eighty million, four hundred eighty-three thousand, six hundred sixty-four".