889634386 has 4 divisors (see below), whose sum is σ = 1334451582. Its totient is φ = 444817192.

The previous prime is 889634371. The next prime is 889634437. The reversal of 889634386 is 683436988.

It is a happy number.

889634386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 886193361 + 3441025 = 29769^2 + 1855^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222408595 + ... + 222408598.

Almost surely, 2^889634386 is an apocalyptic number.

889634386 is a deficient number, since it is larger than the sum of its proper divisors (444817196).

889634386 is a wasteful number, since it uses less digits than its factorization.

889634386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444817195.

The product of its digits is 5971968, while the sum is 55.

The square root of 889634386 is about 29826.7394463424. The cubic root of 889634386 is about 961.7684366497.

The spelling of 889634386 in words is "eight hundred eighty-nine million, six hundred thirty-four thousand, three hundred eighty-six".