889549 has 4 divisors (see below), whose sum is σ = 897820. Its totient is φ = 881280.

The previous prime is 889519. The next prime is 889579. The reversal of 889549 is 945988.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (889519) and next prime (889579).

It can be written as a sum of positive squares in 2 ways, for example, as 476100 + 413449 = 690^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 889549 - 2⁹ = 889037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889519) 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, 3972 + ... + 4189.

It is an arithmetic number, because the mean of its divisors is an integer number (224455).

2⁸⁸⁹⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

889549 is a deficient number, since it is larger than the sum of its proper divisors (8271).

889549 is a wasteful number, since it uses less digits than its factorization.

889549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270.

The product of its digits is 103680, while the sum is 43.

The square root of 889549 is about 943.1590533945. The cubic root of 889549 is about 96.1737665886.

The spelling of 889549 in words is "eight hundred eighty-nine thousand, five hundred forty-nine".