89171842 has 8 divisors (see below), whose sum is σ = 134644032. Its totient is φ = 44290500.

The previous prime is 89171791. The next prime is 89171857. The reversal of 89171842 is 24817198.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 89171795 and 89171804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147334 + ... + 147937.

It is an arithmetic number, because the mean of its divisors is an integer number (16830504).

Almost surely, 2^89171842 is an apocalyptic number.

89171842 is a deficient number, since it is larger than the sum of its proper divisors (45472190).

89171842 is a wasteful number, since it uses less digits than its factorization.

89171842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295424.

The product of its digits is 32256, while the sum is 40.

The square root of 89171842 is about 9443.0843478177. The cubic root of 89171842 is about 446.7616771479.

The spelling of 89171842 in words is "eighty-nine million, one hundred seventy-one thousand, eight hundred forty-two".