889640318 has 16 divisors (see below), whose sum is σ = 1526200704. Its totient is φ = 380998680.

The previous prime is 889640309. The next prime is 889640329. The reversal of 889640318 is 813046988.

It is a super-2 number, since 2×889640318² = 1582919790822282248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2288 + ... + 42243.

It is an arithmetic number, because the mean of its divisors is an integer number (95387544).

Almost surely, 2^889640318 is an apocalyptic number.

889640318 is a deficient number, since it is larger than the sum of its proper divisors (636560386).

889640318 is a wasteful number, since it uses less digits than its factorization.

889640318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45967.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 889640318 is about 29826.8388871499. The cubic root of 889640318 is about 961.7705743060.

The spelling of 889640318 in words is "eight hundred eighty-nine million, six hundred forty thousand, three hundred eighteen".