280352 has 12 divisors (see below), whose sum is σ = 552006. Its totient is φ = 140160.

The previous prime is 280351. The next prime is 280373. The reversal of 280352 is 253082.

280352 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., 274576 + 5776 = 524^2 + 76^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 280352.

It is not an unprimeable number, because it can be changed into a prime (280351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4349 + ... + 4412.

2²⁸⁰³⁵² is an apocalyptic number.

It is an amenable number.

280352 is a deficient number, since it is larger than the sum of its proper divisors (271654).

280352 is an equidigital number, since it uses as much as digits as its factorization.

280352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771 (or 8763 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 280352 is about 529.4827664806. The cubic root of 280352 is about 65.4487293747.

The spelling of 280352 in words is "two hundred eighty thousand, three hundred fifty-two".