889449093 has 40 divisors (see below), whose sum is σ = 1440747000. Its totient is φ = 543583872.

The previous prime is 889449091. The next prime is 889449101. The reversal of 889449093 is 390944988.

It can be written as a sum of positive squares in 4 ways, for example, as 21734244 + 867714849 = 4662^2 + 29457^2 .

It is not a de Polignac number, because 889449093 - 2¹ = 889449091 is a prime.

It is a super-2 number, since 2×889449093² = 1582239378077045298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889449091) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 154063 + ... + 159731.

It is an arithmetic number, because the mean of its divisors is an integer number (36018675).

Almost surely, 2^889449093 is an apocalyptic number.

It is an amenable number.

889449093 is a deficient number, since it is larger than the sum of its proper divisors (551297907).

889449093 is a wasteful number, since it uses less digits than its factorization.

889449093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843 (or 5834 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 889449093 is about 29823.6331287789. The cubic root of 889449093 is about 961.7016596547.

The spelling of 889449093 in words is "eight hundred eighty-nine million, four hundred forty-nine thousand, ninety-three".