280924 has 24 divisors (see below), whose sum is σ = 573440. Its totient is φ = 117936.

The previous prime is 280921. The next prime is 280927. The reversal of 280924 is 429082.

It is an interprime number because it is at equal distance from previous prime (280921) and next prime (280927).

280924 is a modest number, since divided by 924 gives 28 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149 + ... + 2275.

2²⁸⁰⁹²⁴ is an apocalyptic number.

It is an amenable number.

280924 is an abundant number, since it is smaller than the sum of its proper divisors (292516).

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

280924 is a wasteful number, since it uses less digits than its factorization.

280924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 280924 is about 530.0226410258. The cubic root of 280924 is about 65.4932106476.

The spelling of 280924 in words is "two hundred eighty thousand, nine hundred twenty-four".