298149320 has 128 divisors (see below), whose sum is σ = 808704000. Its totient is φ = 98784000.

The previous prime is 298149317. The next prime is 298149323. The reversal of 298149320 is 23941892.

It is an interprime number because it is at equal distance from previous prime (298149317) and next prime (298149323).

It is not an unprimeable number, because it can be changed into a prime (298149323) 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 31 ways as a sum of consecutive naturals, for example, 424970 + ... + 425670.

It is an arithmetic number, because the mean of its divisors is an integer number (6318000).

Almost surely, 2^298149320 is an apocalyptic number.

298149320 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 298149320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404352000).

298149320 is an abundant number, since it is smaller than the sum of its proper divisors (510554680).

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

298149320 is a wasteful number, since it uses less digits than its factorization.

298149320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 298149320 is about 17267.0008976660. Note that the first 3 decimals coincide. The cubic root of 298149320 is about 668.0535472870.

The spelling of 298149320 in words is "two hundred ninety-eight million, one hundred forty-nine thousand, three hundred twenty".