989213 has 4 divisors (see below), whose sum is σ = 1047420. Its totient is φ = 931008.

The previous prime is 989173. The next prime is 989231. The reversal of 989213 is 312989.

989213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 407044 + 582169 = 638^2 + 763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 989213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989293) 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, 29078 + ... + 29111.

It is an arithmetic number, because the mean of its divisors is an integer number (261855).

2⁹⁸⁹²¹³ is an apocalyptic number.

It is an amenable number.

989213 is a deficient number, since it is larger than the sum of its proper divisors (58207).

989213 is a wasteful number, since it uses less digits than its factorization.

989213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58206.

The product of its digits is 3888, while the sum is 32.

The square root of 989213 is about 994.5918760979. The cubic root of 989213 is about 99.6391326473.

The spelling of 989213 in words is "nine hundred eighty-nine thousand, two hundred thirteen".