280482 has 8 divisors (see below), whose sum is σ = 560976. Its totient is φ = 93492.

The previous prime is 280463. The next prime is 280487. The reversal of 280482 is 284082.

It is a sphenic number, since it is the product of 3 distinct primes.

280482 is an admirable number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (280487) by changing a digit.

280482 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23368 + ... + 23379.

It is an arithmetic number, because the mean of its divisors is an integer number (70122).

2²⁸⁰⁴⁸² is an apocalyptic number.

280482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

280482 is a wasteful number, since it uses less digits than its factorization.

280482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46752.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 280482 is about 529.6055135665. The cubic root of 280482 is about 65.4588440639.

Subtracting 280482 from its reverse (284082), we obtain a square (3600 = 60²).

The spelling of 280482 in words is "two hundred eighty thousand, four hundred eighty-two".