173028889 has 8 divisors (see below), whose sum is σ = 190491840. Its totient is φ = 155854800.

The previous prime is 173028871. The next prime is 173028913. The reversal of 173028889 is 988820371.

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 173028889 - 2⁹ = 173028377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173028809) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70957 + ... + 73354.

It is an arithmetic number, because the mean of its divisors is an integer number (23811480).

Almost surely, 2^173028889 is an apocalyptic number.

It is an amenable number.

173028889 is a deficient number, since it is larger than the sum of its proper divisors (17462951).

173028889 is a wasteful number, since it uses less digits than its factorization.

173028889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144431.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 173028889 is about 13154.0445871222. The cubic root of 173028889 is about 557.2364794517.

The spelling of 173028889 in words is "one hundred seventy-three million, twenty-eight thousand, eight hundred eighty-nine".