889747042 has 8 divisors (see below), whose sum is σ = 1392647616. Its totient is φ = 425531172.

The previous prime is 889746961. The next prime is 889747091. The reversal of 889747042 is 240747988.

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

It is an unprimeable number.

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, 9671118 + ... + 9671209.

It is an arithmetic number, because the mean of its divisors is an integer number (174080952).

Almost surely, 2^889747042 is an apocalyptic number.

889747042 is a deficient number, since it is larger than the sum of its proper divisors (502900574).

889747042 is a wasteful number, since it uses less digits than its factorization.

889747042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19342352.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 889747042 is about 29828.6278933510. The cubic root of 889747042 is about 961.8090317577.

The spelling of 889747042 in words is "eight hundred eighty-nine million, seven hundred forty-seven thousand, forty-two".