889414981 has 16 divisors (see below), whose sum is σ = 1117960704. Its totient is φ = 688737024.

The previous prime is 889414973. The next prime is 889415011. The reversal of 889414981 is 189414988.

It is a cyclic number.

It is not a de Polignac number, because 889414981 - 2³ = 889414973 is a prime.

It is a super-2 number, since 2×889414981² = 1582118016854460722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889414901) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 99700 + ... + 108253.

It is an arithmetic number, because the mean of its divisors is an integer number (69872544).

Almost surely, 2^889414981 is an apocalyptic number.

It is an amenable number.

889414981 is a deficient number, since it is larger than the sum of its proper divisors (228545723).

889414981 is a wasteful number, since it uses less digits than its factorization.

889414981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208020.

The product of its digits is 663552, while the sum is 52.

The square root of 889414981 is about 29823.0612278485. The cubic root of 889414981 is about 961.6893651582.

The spelling of 889414981 in words is "eight hundred eighty-nine million, four hundred fourteen thousand, nine hundred eighty-one".