989361 has 8 divisors (see below), whose sum is σ = 1465760. Its totient is φ = 659556.

The previous prime is 989353. The next prime is 989377. The reversal of 989361 is 163989.

989361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 989361 - 2³ = 989353 is a prime.

It is a Duffinian number.

989361 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989361.

It is not an unprimeable number, because it can be changed into a prime (989321) 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, 18295 + ... + 18348.

It is an arithmetic number, because the mean of its divisors is an integer number (183220).

2⁹⁸⁹³⁶¹ is an apocalyptic number.

It is an amenable number.

989361 is a deficient number, since it is larger than the sum of its proper divisors (476399).

989361 is a wasteful number, since it uses less digits than its factorization.

989361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36652 (or 36646 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 989361 is about 994.6662756925. Note that the first 3 decimals coincide. The cubic root of 989361 is about 99.6441015321.

The spelling of 989361 in words is "nine hundred eighty-nine thousand, three hundred sixty-one".