280483712 has 32 divisors (see below), whose sum is σ = 583076880. Its totient is φ = 134142976.

The previous prime is 280483703. The next prime is 280483727. The reversal of 280483712 is 217384082.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-4 number, since 4×280483712⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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, 44693 + ... + 50580.

Almost surely, 2^280483712 is an apocalyptic number.

It is an amenable number.

280483712 is an abundant number, since it is smaller than the sum of its proper divisors (302593168).

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

280483712 is an equidigital number, since it uses as much as digits as its factorization.

280483712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95310 (or 95298 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 280483712 is about 16747.6479542651. The cubic root of 280483712 is about 654.5897724575.

The spelling of 280483712 in words is "two hundred eighty million, four hundred eighty-three thousand, seven hundred twelve".