989350973 has 8 divisors (see below), whose sum is σ = 1065988728. Its totient is φ = 912789504.

The previous prime is 989350939. The next prime is 989350993. The reversal of 989350973 is 379053989.

It can be written as a sum of positive squares in 4 ways, for example, as 28536964 + 960814009 = 5342^2 + 30997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 989350973 - 2¹² = 989346877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989350903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9461 + ... + 45477.

It is an arithmetic number, because the mean of its divisors is an integer number (133248591).

Almost surely, 2^989350973 is an apocalyptic number.

It is an amenable number.

989350973 is a deficient number, since it is larger than the sum of its proper divisors (76637755).

989350973 is a wasteful number, since it uses less digits than its factorization.

989350973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38143.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 989350973 is about 31453.9500381113. The cubic root of 989350973 is about 996.4376490583.

The spelling of 989350973 in words is "nine hundred eighty-nine million, three hundred fifty thousand, nine hundred seventy-three".