280901248 has 32 divisors (see below), whose sum is σ = 566712000. Its totient is φ = 138667776.

The previous prime is 280901237. The next prime is 280901273. The reversal of 280901248 is 842109082.

280901248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×280901248² = 157811022255915008, which contains 22 as substring.

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, 3778 + ... + 24001.

It is an arithmetic number, because the mean of its divisors is an integer number (17709750).

Almost surely, 2^280901248 is an apocalyptic number.

It is an amenable number.

280901248 is an abundant number, since it is smaller than the sum of its proper divisors (285810752).

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

280901248 is an equidigital number, since it uses as much as digits as its factorization.

280901248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27872 (or 27860 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 280901248 is about 16760.1088301956. The cubic root of 280901248 is about 654.9144250419.

The spelling of 280901248 in words is "two hundred eighty million, nine hundred one thousand, two hundred forty-eight".