289899998982 has 24 divisors (see below), whose sum is σ = 685218179880. Its totient is φ = 87848484480.

The previous prime is 289899998957. The next prime is 289899999017.

289899998982 is a `hidden beast` number, since 289 + 8 + 99 + 99 + 89 + 82 = 666.

289899998982 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 289899998892 and 289899998901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 732070507 + ... + 732070902.

It is an arithmetic number, because the mean of its divisors is an integer number (28550757495).

Almost surely, 2^289899998982 is an apocalyptic number.

289899998982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

289899998982 is an abundant number, since it is smaller than the sum of its proper divisors (395318180898).

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

289899998982 is a wasteful number, since it uses less digits than its factorization.

289899998982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464141428 (or 1464141425 counting only the distinct ones).

The product of its digits is 8707129344, while the sum is 90.

The spelling of 289899998982 in words is "two hundred eighty-nine billion, eight hundred ninety-nine million, nine hundred ninety-eight thousand, nine hundred eighty-two".