298881616 has 60 divisors (see below), whose sum is σ = 640021536. Its totient is φ = 135108160.

The previous prime is 298881599. The next prime is 298881617. The reversal of 298881616 is 616188892.

It is a self number, because there is not a number n which added to its sum of digits gives 298881616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298881617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508875 + ... + 509461.

Almost surely, 2^298881616 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 298881616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320010768).

298881616 is an abundant number, since it is smaller than the sum of its proper divisors (341139920).

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

298881616 is a wasteful number, since it uses less digits than its factorization.

298881616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 863 counting only the distinct ones).

The product of its digits is 331776, while the sum is 49.

The square root of 298881616 is about 17288.1929651424. The cubic root of 298881616 is about 668.6000441018.

The spelling of 298881616 in words is "two hundred ninety-eight million, eight hundred eighty-one thousand, six hundred sixteen".