298689216 has 224 divisors, whose sum is σ = 955072512. Its totient is φ = 80593920.

The previous prime is 298689179. The next prime is 298689217. The reversal of 298689216 is 612986892.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298689217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2791435 + ... + 2791541.

Almost surely, 2^298689216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298689216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477536256).

298689216 is an abundant number, since it is smaller than the sum of its proper divisors (656383296).

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

298689216 is a wasteful number, since it uses less digits than its factorization.

298689216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 217 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 298689216 is about 17282.6275780045. The cubic root of 298689216 is about 668.4565466383.

The spelling of 298689216 in words is "two hundred ninety-eight million, six hundred eighty-nine thousand, two hundred sixteen".