889933444 has 12 divisors (see below), whose sum is σ = 1557593100. Its totient is φ = 444906848.

The previous prime is 889933433. The next prime is 889933477. The reversal of 889933444 is 444339988.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 827712900 + 62220544 = 28770^2 + 7888^2 .

It is a super-2 number, since 2×889933444² = 1583963069499402272, which contains 22 as substring.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 889933391 and 889933400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46722 + ... + 62950.

It is an arithmetic number, because the mean of its divisors is an integer number (129799425).

Almost surely, 2^889933444 is an apocalyptic number.

It is an amenable number.

889933444 is a deficient number, since it is larger than the sum of its proper divisors (667659656).

889933444 is a wasteful number, since it uses less digits than its factorization.

889933444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29942 (or 29940 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The square root of 889933444 is about 29831.7522784030. The cubic root of 889933444 is about 961.8761933966.

The spelling of 889933444 in words is "eight hundred eighty-nine million, nine hundred thirty-three thousand, four hundred forty-four".