280870848 has 224 divisors, whose sum is σ = 889528320. Its totient is φ = 86676480.

The previous prime is 280870847. The next prime is 280870859. The reversal of 280870848 is 848078082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280870841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1470433 + ... + 1470623.

Almost surely, 2^280870848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280870848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444764160).

280870848 is an abundant number, since it is smaller than the sum of its proper divisors (608657472).

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

280870848 is a wasteful number, since it uses less digits than its factorization.

280870848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 280870848 is about 16759.2018903049. The cubic root of 280870848 is about 654.8907985694.

The spelling of 280870848 in words is "two hundred eighty million, eight hundred seventy thousand, eight hundred forty-eight".