989395 has 8 divisors (see below), whose sum is σ = 1295280. Its totient is φ = 719520.

The previous prime is 989381. The next prime is 989411. The reversal of 989395 is 593989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 989395 - 2¹⁹ = 465107 is a prime.

It is an Ulam number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8940 + ... + 9049.

It is an arithmetic number, because the mean of its divisors is an integer number (161910).

2⁹⁸⁹³⁹⁵ is an apocalyptic number.

989395 is a deficient number, since it is larger than the sum of its proper divisors (305885).

989395 is a wasteful number, since it uses less digits than its factorization.

989395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18005.

The product of its digits is 87480, while the sum is 43.

The square root of 989395 is about 994.6833667052. The cubic root of 989395 is about 99.6452429627.

The spelling of 989395 in words is "nine hundred eighty-nine thousand, three hundred ninety-five".