298168920 has 144 divisors (see below), whose sum is σ = 1127327760. Its totient is φ = 68148864.

The previous prime is 298168907. The next prime is 298168921. The reversal of 298168920 is 29861892.

298168920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298168921) 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 35 ways as a sum of consecutive naturals, for example, 9189 + ... + 26091.

It is an arithmetic number, because the mean of its divisors is an integer number (7828665).

Almost surely, 2^298168920 is an apocalyptic number.

298168920 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 298168920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563663880).

298168920 is an abundant number, since it is smaller than the sum of its proper divisors (829158840).

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

298168920 is a wasteful number, since it uses less digits than its factorization.

298168920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16934 (or 16920 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 298168920 is about 17267.5684449201. The cubic root of 298168920 is about 668.0681859951.

The spelling of 298168920 in words is "two hundred ninety-eight million, one hundred sixty-eight thousand, nine hundred twenty".