989842050 has 72 divisors (see below), whose sum is σ = 2799366960. Its totient is φ = 250063200.

The previous prime is 989842037. The next prime is 989842057. The reversal of 989842050 is 50248989.

989842050 is a `hidden beast` number, since 98 + 98 + 420 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 989841987 and 989842005.

It is not an unprimeable number, because it can be changed into a prime (989842057) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49336 + ... + 66435.

Almost surely, 2^989842050 is an apocalyptic number.

989842050 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

989842050 is an abundant number, since it is smaller than the sum of its proper divisors (1809524910).

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

989842050 is a wasteful number, since it uses less digits than its factorization.

989842050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115808 (or 115800 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 989842050 is about 31461.7553547160. The cubic root of 989842050 is about 996.6024866423.

The spelling of 989842050 in words is "nine hundred eighty-nine million, eight hundred forty-two thousand, fifty".