889389619 has 4 divisors (see below), whose sum is σ = 891453600. Its totient is φ = 887325640.

The previous prime is 889389607. The next prime is 889389643. The reversal of 889389619 is 916983988.

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

It is a cyclic number.

It is not a de Polignac number, because 889389619 - 2¹⁷ = 889258547 is a prime.

It is a super-2 number, since 2×889389619² = 1582027788769930322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889389649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031344 + ... + 1032205.

It is an arithmetic number, because the mean of its divisors is an integer number (222863400).

Almost surely, 2^889389619 is an apocalyptic number.

889389619 is a deficient number, since it is larger than the sum of its proper divisors (2063981).

889389619 is a wasteful number, since it uses less digits than its factorization.

889389619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063980.

The product of its digits is 6718464, while the sum is 61.

The square root of 889389619 is about 29822.6360169587. The cubic root of 889389619 is about 961.6802240943.

The spelling of 889389619 in words is "eight hundred eighty-nine million, three hundred eighty-nine thousand, six hundred nineteen".