173490198 has 64 divisors (see below), whose sum is σ = 411844608. Its totient is φ = 47676960.

The previous prime is 173490193. The next prime is 173490203. The reversal of 173490198 is 891094371.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (173490193) and next prime (173490203).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173490193) 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 31 ways as a sum of consecutive naturals, for example, 295261 + ... + 295847.

It is an arithmetic number, because the mean of its divisors is an integer number (6435072).

Almost surely, 2^173490198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173490198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205922304).

173490198 is an abundant number, since it is smaller than the sum of its proper divisors (238354410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173490198 is a wasteful number, since it uses less digits than its factorization.

173490198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 173490198 is about 13171.5677882323. The cubic root of 173490198 is about 557.7312525045.

The spelling of 173490198 in words is "one hundred seventy-three million, four hundred ninety thousand, one hundred ninety-eight".