889466239 has 2 divisors, whose sum is σ = 889466240. Its totient is φ = 889466238.

The previous prime is 889466183. The next prime is 889466243. The reversal of 889466239 is 932664988.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 889466239 - 2⁷ = 889466111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 889466239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889469239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444733119 + 444733120.

It is an arithmetic number, because the mean of its divisors is an integer number (444733120).

Almost surely, 2^889466239 is an apocalyptic number.

889466239 is a deficient number, since it is larger than the sum of its proper divisors (1).

889466239 is an equidigital number, since it uses as much as digits as its factorization.

889466239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 55.

The square root of 889466239 is about 29823.9205839876. The cubic root of 889466239 is about 961.7078392217.

The spelling of 889466239 in words is "eight hundred eighty-nine million, four hundred sixty-six thousand, two hundred thirty-nine".