298650240 has 320 divisors, whose sum is σ = 1220376960. Its totient is φ = 68179968.

The previous prime is 298650229. The next prime is 298650241. The reversal of 298650240 is 42056892.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

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

It is a junction number, because it is equal to n+sod(n) for n = 298650195 and 298650204.

It is not an unprimeable number, because it can be changed into a prime (298650241) 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, 362469 + ... + 363291.

It is an arithmetic number, because the mean of its divisors is an integer number (3813678).

Almost surely, 2^298650240 is an apocalyptic number.

298650240 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 298650240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610188480).

298650240 is an abundant number, since it is smaller than the sum of its proper divisors (921726720).

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

298650240 is an equidigital number, since it uses as much as digits as its factorization.

298650240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 298650240 is about 17281.4999349015. The cubic root of 298650240 is about 668.4274697090.

The spelling of 298650240 in words is "two hundred ninety-eight million, six hundred fifty thousand, two hundred forty".