989650424 has 64 divisors (see below), whose sum is σ = 2202854400. Its totient is φ = 408011904.

The previous prime is 989650423. The next prime is 989650447. The reversal of 989650424 is 424056989.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989650423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152102 + ... + 158474.

It is an arithmetic number, because the mean of its divisors is an integer number (34419600).

Almost surely, 2^989650424 is an apocalyptic number.

989650424 is a gapful number since it is divisible by the number (94) 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 989650424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101427200).

989650424 is an abundant number, since it is smaller than the sum of its proper divisors (1213203976).

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

989650424 is a wasteful number, since it uses less digits than its factorization.

989650424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492 (or 6488 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 989650424 is about 31458.7098273276. The cubic root of 989650424 is about 996.5381709018.

The spelling of 989650424 in words is "nine hundred eighty-nine million, six hundred fifty thousand, four hundred twenty-four".