889634 has 4 divisors (see below), whose sum is σ = 1334454. Its totient is φ = 444816.

The previous prime is 889631. The next prime is 889639. The reversal of 889634 is 436988.

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

It can be written as a sum of positive squares in only one way, i.e., 717409 + 172225 = 847^2 + 415^2 .

It is a Curzon number.

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (889631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222407 + ... + 222410.

2⁸⁸⁹⁶³⁴ is an apocalyptic number.

889634 is a deficient number, since it is larger than the sum of its proper divisors (444820).

889634 is a wasteful number, since it uses less digits than its factorization.

889634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444819.

The product of its digits is 41472, while the sum is 38.

The square root of 889634 is about 943.2041136467. The cubic root of 889634 is about 96.1768297550.

The spelling of 889634 in words is "eight hundred eighty-nine thousand, six hundred thirty-four".