889478 has 4 divisors (see below), whose sum is σ = 1334220. Its totient is φ = 444738.

The previous prime is 889453. The next prime is 889481. The reversal of 889478 is 874988.

It is a happy number.

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

It is a super-2 number, since 2×889478² = 1582342224968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

889478 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222368 + ... + 222371.

It is an arithmetic number, because the mean of its divisors is an integer number (333555).

2⁸⁸⁹⁴⁷⁸ is an apocalyptic number.

889478 is a deficient number, since it is larger than the sum of its proper divisors (444742).

889478 is a wasteful number, since it uses less digits than its factorization.

889478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444741.

The product of its digits is 129024, while the sum is 44.

The square root of 889478 is about 943.1214131807. The cubic root of 889478 is about 96.1712077942.

The spelling of 889478 in words is "eight hundred eighty-nine thousand, four hundred seventy-eight".