989146242 has 90 divisors (see below), whose sum is σ = 2585609433. Its totient is φ = 281812608.

The previous prime is 989146237. The next prime is 989146253. The reversal of 989146242 is 242641989.

989146242 is a `hidden beast` number, since 9 + 8 + 9 + 14 + 624 + 2 = 666.

989146242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 980378721 + 8767521 = 31311^2 + 2961^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=22239.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2801938 + ... + 2802290.

Almost surely, 2^989146242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989146242

989146242 is an abundant number, since it is smaller than the sum of its proper divisors (1596463191).

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

989146242 is an equidigital number, since it uses as much as digits as its factorization.

989146242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 365 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 989146242 is about 31450.6954136153. The cubic root of 989146242 is about 996.3689118237.

The spelling of 989146242 in words is "nine hundred eighty-nine million, one hundred forty-six thousand, two hundred forty-two".