173441989 has 8 divisors (see below), whose sum is σ = 198554048. Its totient is φ = 148413600.

The previous prime is 173441987. The next prime is 173442001. The reversal of 173441989 is 989144371.

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 173441989 - 2¹ = 173441987 is a prime.

It is a super-2 number, since 2×173441989² = 60164247096552242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173441981) 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, 16407 + ... + 24820.

It is an arithmetic number, because the mean of its divisors is an integer number (24819256).

Almost surely, 2^173441989 is an apocalyptic number.

It is an amenable number.

173441989 is a deficient number, since it is larger than the sum of its proper divisors (25112059).

173441989 is an equidigital number, since it uses as much as digits as its factorization.

173441989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41835.

The product of its digits is 217728, while the sum is 46.

The square root of 173441989 is about 13169.7376207729. The cubic root of 173441989 is about 557.6795874207.

The spelling of 173441989 in words is "one hundred seventy-three million, four hundred forty-one thousand, nine hundred eighty-nine".