989355 has 8 divisors (see below), whose sum is σ = 1582992. Its totient is φ = 527648.

The previous prime is 989353. The next prime is 989377. The reversal of 989355 is 553989.

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

It is a cyclic number.

It is not a de Polignac number, because 989355 - 2¹ = 989353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (989353) 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 7 ways as a sum of consecutive naturals, for example, 32964 + ... + 32993.

It is an arithmetic number, because the mean of its divisors is an integer number (197874).

2⁹⁸⁹³⁵⁵ is an apocalyptic number.

989355 is a deficient number, since it is larger than the sum of its proper divisors (593637).

989355 is a wasteful number, since it uses less digits than its factorization.

989355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65965.

The product of its digits is 48600, while the sum is 39.

The square root of 989355 is about 994.6632596010. The cubic root of 989355 is about 99.6439001005.

It can be divided in two parts, 98 and 9355, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 989355 in words is "nine hundred eighty-nine thousand, three hundred fifty-five".