280060 has 48 divisors (see below), whose sum is σ = 685440. Its totient is φ = 95040.

The previous prime is 280037. The next prime is 280061. The reversal of 280060 is 60082.

280060 = T₄₅ + T₄₆ + ... + T₁₂₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4147 + ... + 4213.

It is an arithmetic number, because the mean of its divisors is an integer number (14280).

2²⁸⁰⁰⁶⁰ is an apocalyptic number.

280060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

280060 is the 335-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342720).

280060 is an abundant number, since it is smaller than the sum of its proper divisors (405380).

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

280060 is a wasteful number, since it uses less digits than its factorization.

280060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 280060 is about 529.2069538470. The cubic root of 280060 is about 65.4259988219.

The spelling of 280060 in words is "two hundred eighty thousand, sixty".