89143842 has 8 divisors (see below), whose sum is σ = 178287696. Its totient is φ = 29714612.

The previous prime is 89143829. The next prime is 89143843. The reversal of 89143842 is 24834198.

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

89143842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 89143842.

It is not an unprimeable number, because it can be changed into a prime (89143843) 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, 7428648 + ... + 7428659.

It is an arithmetic number, because the mean of its divisors is an integer number (22285962).

Almost surely, 2^89143842 is an apocalyptic number.

89143842 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.

89143842 is a wasteful number, since it uses less digits than its factorization.

89143842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14857312.

The product of its digits is 55296, while the sum is 39.

The square root of 89143842 is about 9441.6016649719. The cubic root of 89143842 is about 446.7149111276.

The spelling of 89143842 in words is "eighty-nine million, one hundred forty-three thousand, eight hundred forty-two".