298647746892 has 144 divisors (see below), whose sum is σ = 868086885120. Its totient is φ = 85617648000.

The previous prime is 298647746809. The next prime is 298647746923.

298647746892 is a `hidden beast` number, since 2 + 9 + 8 + 6 + 4 + 77 + 468 + 92 = 666.

298647746892 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 298647746892.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5488017 + ... + 5542167.

Almost surely, 2^298647746892 is an apocalyptic number.

298647746892 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 298647746892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434043442560).

298647746892 is an abundant number, since it is smaller than the sum of its proper divisors (569439138228).

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

298647746892 is a wasteful number, since it uses less digits than its factorization.

298647746892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54924 (or 54919 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 72.

The spelling of 298647746892 in words is "two hundred ninety-eight billion, six hundred forty-seven million, seven hundred forty-six thousand, eight hundred ninety-two".