298881188892 has 288 divisors, whose sum is σ = 898799376384. Its totient is φ = 82551744000.

The previous prime is 298881188867. The next prime is 298881188899.

It is a happy number.

298881188892 is a `hidden beast` number, since 298 + 8 + 81 + 188 + 89 + 2 = 666.

298881188892 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 298881188892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298881188899) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 315607963 + ... + 315608909.

It is an arithmetic number, because the mean of its divisors is an integer number (3120831168).

Almost surely, 2^298881188892 is an apocalyptic number.

298881188892 is a gapful number since it is divisible by the number (22) 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 298881188892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449399688192).

298881188892 is an abundant number, since it is smaller than the sum of its proper divisors (599918187492).

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

298881188892 is a wasteful number, since it uses less digits than its factorization.

298881188892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1684 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 72.

It can be divided in two parts, 2988811 and 88892, that added together give a palindrome (3077703).

The spelling of 298881188892 in words is "two hundred ninety-eight billion, eight hundred eighty-one million, one hundred eighty-eight thousand, eight hundred ninety-two".