889439667 has 8 divisors (see below), whose sum is σ = 1186505424. Its totient is φ = 592666848.

The previous prime is 889439659. The next prime is 889439671. The reversal of 889439667 is 766934988.

889439667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 889439667 - 2³ = 889439659 is a prime.

It is a super-2 number, since 2×889439667² = 1582205842466141778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 889439667.

It is not an unprimeable number, because it can be changed into a prime (889439767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66048 + ... + 78365.

It is an arithmetic number, because the mean of its divisors is an integer number (148313178).

Almost surely, 2^889439667 is an apocalyptic number.

889439667 is a deficient number, since it is larger than the sum of its proper divisors (297065757).

889439667 is a wasteful number, since it uses less digits than its factorization.

889439667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146469.

The product of its digits is 15676416, while the sum is 60.

The square root of 889439667 is about 29823.4750993240. The cubic root of 889439667 is about 961.6982624088.

The spelling of 889439667 in words is "eight hundred eighty-nine million, four hundred thirty-nine thousand, six hundred sixty-seven".