889545438 has 12 divisors (see below), whose sum is σ = 1927348488. Its totient is φ = 296515140.

The previous prime is 889545431. The next prime is 889545443. The reversal of 889545438 is 834545988.

889545438 is a `hidden beast` number, since 8 + 8 + 95 + 4 + 543 + 8 = 666.

889545438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×889545438² = 1582582172533223688, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889545431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24709578 + ... + 24709613.

It is an arithmetic number, because the mean of its divisors is an integer number (160612374).

Almost surely, 2^889545438 is an apocalyptic number.

889545438 is an abundant number, since it is smaller than the sum of its proper divisors (1037803050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889545438 is a wasteful number, since it uses less digits than its factorization.

889545438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49419199 (or 49419196 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The square root of 889545438 is about 29825.2483309025. The cubic root of 889545438 is about 961.7363821970.

The spelling of 889545438 in words is "eight hundred eighty-nine million, five hundred forty-five thousand, four hundred thirty-eight".