889438 has 8 divisors (see below), whose sum is σ = 1455480. Its totient is φ = 404280.

The previous prime is 889429. The next prime is 889439. The reversal of 889438 is 834988.

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

It is a self number, because there is not a number n which added to its sum of digits gives 889438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889439) 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, 20193 + ... + 20236.

It is an arithmetic number, because the mean of its divisors is an integer number (181935).

2⁸⁸⁹⁴³⁸ is an apocalyptic number.

889438 is a deficient number, since it is larger than the sum of its proper divisors (566042).

889438 is a wasteful number, since it uses less digits than its factorization.

889438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40442.

The product of its digits is 55296, while the sum is 40.

The square root of 889438 is about 943.1002067649. The cubic root of 889438 is about 96.1697661599.

The spelling of 889438 in words is "eight hundred eighty-nine thousand, four hundred thirty-eight".