889289251 has 4 divisors (see below), whose sum is σ = 893504104. Its totient is φ = 885074400.

The previous prime is 889289239. The next prime is 889289257. The reversal of 889289251 is 152982988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 889289251 - 2²⁷ = 755071523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889289257) 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 3 ways as a sum of consecutive naturals, for example, 2107110 + ... + 2107531.

It is an arithmetic number, because the mean of its divisors is an integer number (223376026).

Almost surely, 2^889289251 is an apocalyptic number.

889289251 is a deficient number, since it is larger than the sum of its proper divisors (4214853).

889289251 is a wasteful number, since it uses less digits than its factorization.

889289251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214852.

The product of its digits is 829440, while the sum is 52.

The square root of 889289251 is about 29820.9532208479. The cubic root of 889289251 is about 961.6440473914.

The spelling of 889289251 in words is "eight hundred eighty-nine million, two hundred eighty-nine thousand, two hundred fifty-one".