280974 has 8 divisors (see below), whose sum is σ = 561960. Its totient is φ = 93656.

The previous prime is 280967. The next prime is 280979. The reversal of 280974 is 479082.

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

280974 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 280974.

It is not an unprimeable number, because it can be changed into a prime (280979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23409 + ... + 23420.

It is an arithmetic number, because the mean of its divisors is an integer number (70245).

2²⁸⁰⁹⁷⁴ is an apocalyptic number.

280974 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.

280974 is a wasteful number, since it uses less digits than its factorization.

280974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46834.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 280974 is about 530.0698067236. The cubic root of 280974 is about 65.4970960001.

The spelling of 280974 in words is "two hundred eighty thousand, nine hundred seventy-four".