298645120 has 64 divisors (see below), whose sum is σ = 755973000. Its totient is φ = 112427008.

The previous prime is 298645111. The next prime is 298645121. The reversal of 298645120 is 21546892.

It can be written as a sum of positive squares in 4 ways, for example, as 288456256 + 10188864 = 16984^2 + 3192^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 298645120.

It is not an unprimeable number, because it can be changed into a prime (298645121) 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 7 ways as a sum of consecutive naturals, for example, 2845 + ... + 24604.

Almost surely, 2^298645120 is an apocalyptic number.

298645120 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 298645120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377986500).

298645120 is an abundant number, since it is smaller than the sum of its proper divisors (457327880).

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

298645120 is a wasteful number, since it uses less digits than its factorization.

298645120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27485 (or 27473 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 298645120 is about 17281.3517989768. The cubic root of 298645120 is about 668.4236498915.

The spelling of 298645120 in words is "two hundred ninety-eight million, six hundred forty-five thousand, one hundred twenty".