280098000 has 800 divisors, whose sum is σ = 1310749440. Its totient is φ = 55987200.

The previous prime is 280097999. The next prime is 280098011. The reversal of 280098000 is 890082.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 14741991 + ... + 14742009.

Almost surely, 2^280098000 is an apocalyptic number.

280098000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280098000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655374720).

280098000 is an abundant number, since it is smaller than the sum of its proper divisors (1030651440).

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

280098000 is a wasteful number, since it uses less digits than its factorization.

280098000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 280098000 is about 16736.1285845921. The cubic root of 280098000 is about 654.2895780155.

The spelling of 280098000 in words is "two hundred eighty million, ninety-eight thousand".