298321920 has 384 divisors, whose sum is σ = 1155772800. Its totient is φ = 72548352.

The previous prime is 298321913. The next prime is 298321957. The reversal of 298321920 is 29123892.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3594199 + ... + 3594281.

It is an arithmetic number, because the mean of its divisors is an integer number (3009825).

Almost surely, 2^298321920 is an apocalyptic number.

298321920 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 298321920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577886400).

298321920 is an abundant number, since it is smaller than the sum of its proper divisors (857450880).

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

298321920 is a wasteful number, since it uses less digits than its factorization.

298321920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 298321920 is about 17271.9981472903. The cubic root of 298321920 is about 668.1824354998.

The spelling of 298321920 in words is "two hundred ninety-eight million, three hundred twenty-one thousand, nine hundred twenty".