873280 has 28 divisors (see below), whose sum is σ = 2080260. Its totient is φ = 349184.

The previous prime is 873263. The next prime is 873293. The reversal of 873280 is 82378.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 246016 = 792^2 + 496^2 .

It is a congruent number.

It is an unprimeable number.

873280 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, 1045 + ... + 1684.

It is an arithmetic number, because the mean of its divisors is an integer number (74295).

2⁸⁷³²⁸⁰ is an apocalyptic number.

873280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

873280 is an abundant number, since it is smaller than the sum of its proper divisors (1206980).

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

873280 is a wasteful number, since it uses less digits than its factorization.

873280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 873280 is about 934.4945157677. The cubic root of 873280 is about 95.5838467599.

The spelling of 873280 in words is "eight hundred seventy-three thousand, two hundred eighty".