989356573 has 8 divisors (see below), whose sum is σ = 1000418400. Its totient is φ = 978354000.

The previous prime is 989356567. The next prime is 989356591. The reversal of 989356573 is 375653989.

It is a happy number.

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 989356573 - 2⁵ = 989356541 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 (989356553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19198 + ... + 48448.

It is an arithmetic number, because the mean of its divisors is an integer number (125052300).

Almost surely, 2^989356573 is an apocalyptic number.

It is an amenable number.

989356573 is a deficient number, since it is larger than the sum of its proper divisors (11061827).

989356573 is a wasteful number, since it uses less digits than its factorization.

989356573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29627.

The product of its digits is 6123600, while the sum is 55.

The square root of 989356573 is about 31454.0390570114. The cubic root of 989356573 is about 996.4395290922.

It can be divided in two parts, 9893 and 56573, that added together give a palindrome (66466).

The spelling of 989356573 in words is "nine hundred eighty-nine million, three hundred fifty-six thousand, five hundred seventy-three".