889914121 has 16 divisors (see below), whose sum is σ = 939870720. Its totient is φ = 841579200.

The previous prime is 889914119. The next prime is 889914127. The reversal of 889914121 is 121419988.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 889914121 - 2¹ = 889914119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889914127) 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 15 ways as a sum of consecutive naturals, for example, 260895 + ... + 264283.

It is an arithmetic number, because the mean of its divisors is an integer number (58741920).

Almost surely, 2^889914121 is an apocalyptic number.

It is an amenable number.

889914121 is a deficient number, since it is larger than the sum of its proper divisors (49956599).

889914121 is a wasteful number, since it uses less digits than its factorization.

889914121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624.

The product of its digits is 41472, while the sum is 43.

The square root of 889914121 is about 29831.4284103192. The cubic root of 889914121 is about 961.8692316519.

The spelling of 889914121 in words is "eight hundred eighty-nine million, nine hundred fourteen thousand, one hundred twenty-one".