298799280 has 200 divisors, whose sum is σ = 1117918032. Its totient is φ = 73529856.

The previous prime is 298799269. The next prime is 298799287. The reversal of 298799280 is 82997892.

298799280 is a `hidden beast` number, since 298 + 79 + 9 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (298799287) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 82467 + ... + 86013.

Almost surely, 2^298799280 is an apocalyptic number.

298799280 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 298799280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558959016).

298799280 is an abundant number, since it is smaller than the sum of its proper divisors (819118752).

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

298799280 is a wasteful number, since it uses less digits than its factorization.

298799280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585 (or 3570 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 298799280 is about 17285.8115227489. The cubic root of 298799280 is about 668.5386430809.

The spelling of 298799280 in words is "two hundred ninety-eight million, seven hundred ninety-nine thousand, two hundred eighty".