998846000490 has 32 divisors (see below), whose sum is σ = 2581632740736. Its totient is φ = 245869784640.

The previous prime is 998846000473. The next prime is 998846000491. The reversal of 998846000490 is 94000648899.

It is a self number, because there is not a number n which added to its sum of digits gives 998846000490.

It is not an unprimeable number, because it can be changed into a prime (998846000491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280571406 + ... + 1280572185.

It is an arithmetic number, because the mean of its divisors is an integer number (80676023148).

Almost surely, 2^998846000490 is an apocalyptic number.

998846000490 is an abundant number, since it is smaller than the sum of its proper divisors (1582786740246).

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

998846000490 is a wasteful number, since it uses less digits than its factorization.

998846000490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561143614.

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 998846000490 in words is "nine hundred ninety-eight billion, eight hundred forty-six million, four hundred ninety", and thus it is an aban number.