889860945 has 8 divisors (see below), whose sum is σ = 1423777536. Its totient is φ = 474592496.

The previous prime is 889860943. The next prime is 889860947. The reversal of 889860945 is 549068988.

It is an interprime number because it is at equal distance from previous prime (889860943) and next prime (889860947).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 889860945 - 2¹ = 889860943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (889860941) 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 7 ways as a sum of consecutive naturals, for example, 29662017 + ... + 29662046.

It is an arithmetic number, because the mean of its divisors is an integer number (177972192).

Almost surely, 2^889860945 is an apocalyptic number.

It is an amenable number.

889860945 is a deficient number, since it is larger than the sum of its proper divisors (533916591).

889860945 is a wasteful number, since it uses less digits than its factorization.

889860945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59324071.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The square root of 889860945 is about 29830.5371222176. The cubic root of 889860945 is about 961.8500727331.

The spelling of 889860945 in words is "eight hundred eighty-nine million, eight hundred sixty thousand, nine hundred forty-five".