989568341 has 4 divisors (see below), whose sum is σ = 989632800. Its totient is φ = 989503884.

The previous prime is 989568337. The next prime is 989568343. The reversal of 989568341 is 143865989.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 989568341 - 2² = 989568337 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 (989568343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5600 + ... + 44838.

It is an arithmetic number, because the mean of its divisors is an integer number (247408200).

Almost surely, 2^989568341 is an apocalyptic number.

It is an amenable number.

989568341 is a deficient number, since it is larger than the sum of its proper divisors (64459).

989568341 is a wasteful number, since it uses less digits than its factorization.

989568341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64458.

The product of its digits is 1866240, while the sum is 53.

The square root of 989568341 is about 31457.4051854249. The cubic root of 989568341 is about 996.5106187136.

The spelling of 989568341 in words is "nine hundred eighty-nine million, five hundred sixty-eight thousand, three hundred forty-one".