989271942 has 8 divisors (see below), whose sum is σ = 1978543896. Its totient is φ = 329757312.

The previous prime is 989271911. The next prime is 989271949. The reversal of 989271942 is 249172989.

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

989271942 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989271949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82439323 + ... + 82439334.

It is an arithmetic number, because the mean of its divisors is an integer number (247317987).

Almost surely, 2^989271942 is an apocalyptic number.

989271942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989271942 is a wasteful number, since it uses less digits than its factorization.

989271942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164878662.

The product of its digits is 653184, while the sum is 51.

The square root of 989271942 is about 31452.6937161191. The cubic root of 989271942 is about 996.4111159866.

The spelling of 989271942 in words is "nine hundred eighty-nine million, two hundred seventy-one thousand, nine hundred forty-two".