298920000 has 280 divisors, whose sum is σ = 1028370816. Its totient is φ = 76544000.

The previous prime is 298919981. The next prime is 298920001. The reversal of 298920000 is 29892.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 298920000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298920001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5639974 + ... + 5640026.

Almost surely, 2^298920000 is an apocalyptic number.

298920000 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 298920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514185408).

298920000 is an abundant number, since it is smaller than the sum of its proper divisors (729450816).

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

298920000 is an equidigital number, since it uses as much as digits as its factorization.

298920000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 298920000 is about 17289.3030513089. The cubic root of 298920000 is about 668.6286646260.

Adding to 298920000 its reverse (29892), we get a palindrome (298949892).

Multiplying 298920000 by its reverse (29892), we get a square (8935316640000 = 2989200²).

298920000 divided by its reverse (29892) gives a 4-th power (10000 = 10⁴).

The spelling of 298920000 in words is "two hundred ninety-eight million, nine hundred twenty thousand".