173489401 has 4 divisors (see below), whose sum is σ = 173593332. Its totient is φ = 173385472.

The previous prime is 173489377. The next prime is 173489413. The reversal of 173489401 is 104984371.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132273001 + 41216400 = 11501^2 + 6420^2 .

It is a cyclic number.

It is not a de Polignac number, because 173489401 - 2⁷ = 173489273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173489431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49420 + ... + 52813.

It is an arithmetic number, because the mean of its divisors is an integer number (43398333).

Almost surely, 2^173489401 is an apocalyptic number.

It is an amenable number.

173489401 is a deficient number, since it is larger than the sum of its proper divisors (103931).

173489401 is a wasteful number, since it uses less digits than its factorization.

173489401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103930.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 173489401 is about 13171.5375336367. The cubic root of 173489401 is about 557.7303984457.

The spelling of 173489401 in words is "one hundred seventy-three million, four hundred eighty-nine thousand, four hundred one".