889642 has 8 divisors (see below), whose sum is σ = 1437156. Its totient is φ = 410592.

The previous prime is 889639. The next prime is 889657. The reversal of 889642 is 246988.

889642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 881721 + 7921 = 939^2 + 89^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17083 + ... + 17134.

2⁸⁸⁹⁶⁴² is an apocalyptic number.

889642 is a deficient number, since it is larger than the sum of its proper divisors (547514).

889642 is a wasteful number, since it uses less digits than its factorization.

889642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34232.

The product of its digits is 27648, while the sum is 37.

The square root of 889642 is about 943.2083545007. The cubic root of 889642 is about 96.1771180430.

It can be divided in two parts, 88 and 9642, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 889642 in words is "eight hundred eighty-nine thousand, six hundred forty-two".