989363 has 4 divisors (see below), whose sum is σ = 991368. Its totient is φ = 987360.

The previous prime is 989353. The next prime is 989377. The reversal of 989363 is 363989.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 989363 - 2⁴ = 989347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320 + ... + 1442.

It is an arithmetic number, because the mean of its divisors is an integer number (247842).

2⁹⁸⁹³⁶³ is an apocalyptic number.

989363 is a deficient number, since it is larger than the sum of its proper divisors (2005).

989363 is a wasteful number, since it uses less digits than its factorization.

989363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its digits is 34992, while the sum is 38.

The square root of 989363 is about 994.6672810543. The cubic root of 989363 is about 99.6441686758.

The spelling of 989363 in words is "nine hundred eighty-nine thousand, three hundred sixty-three".