280130384 has 20 divisors (see below), whose sum is σ = 560261760. Its totient is φ = 135546720.

The previous prime is 280130371. The next prime is 280130393. The reversal of 280130384 is 483031082.

It is a happy number.

280130384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

280130384 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281894 + ... + 282885.

It is an arithmetic number, because the mean of its divisors is an integer number (28013088).

Almost surely, 2^280130384 is an apocalyptic number.

It is an amenable number.

280130384 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.

280130384 is a wasteful number, since it uses less digits than its factorization.

280130384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564818 (or 564812 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 280130384 is about 16737.0960444158. The cubic root of 280130384 is about 654.3147926393.

The spelling of 280130384 in words is "two hundred eighty million, one hundred thirty thousand, three hundred eighty-four".