989724341 has 4 divisors (see below), whose sum is σ = 996844800. Its totient is φ = 982603884.

The previous prime is 989724319. The next prime is 989724347. The reversal of 989724341 is 143427989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 989724341 - 2⁶ = 989724277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989724347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560021 + ... + 3560298.

It is an arithmetic number, because the mean of its divisors is an integer number (249211200).

Almost surely, 2^989724341 is an apocalyptic number.

It is an amenable number.

989724341 is a deficient number, since it is larger than the sum of its proper divisors (7120459).

989724341 is a wasteful number, since it uses less digits than its factorization.

989724341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120458.

The product of its digits is 435456, while the sum is 47.

The square root of 989724341 is about 31459.8846310663. The cubic root of 989724341 is about 996.5629807661.

The spelling of 989724341 in words is "nine hundred eighty-nine million, seven hundred twenty-four thousand, three hundred forty-one".