889449999 has 8 divisors (see below), whose sum is σ = 1186074240. Its totient is φ = 592896216.

The previous prime is 889449973. The next prime is 889450027. The reversal of 889449999 is 999944988.

It is a happy number.

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

It is not a de Polignac number, because 889449999 - 2⁹ = 889449487 is a prime.

It is a super-2 number, since 2×889449999² = 1582242601442200002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889449929) 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, 31062 + ... + 52380.

It is an arithmetic number, because the mean of its divisors is an integer number (148259280).

Almost surely, 2^889449999 is an apocalyptic number.

889449999 is a deficient number, since it is larger than the sum of its proper divisors (296624241).

889449999 is a wasteful number, since it uses less digits than its factorization.

889449999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35229.

The product of its digits is 60466176, while the sum is 69.

The square root of 889449999 is about 29823.6483180713. The cubic root of 889449999 is about 961.7019861869.

The spelling of 889449999 in words is "eight hundred eighty-nine million, four hundred forty-nine thousand, nine hundred ninety-nine".