173242386 has 12 divisors (see below), whose sum is σ = 375358542. Its totient is φ = 57747456.

The previous prime is 173242357. The next prime is 173242387. The reversal of 173242386 is 683242371.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 172108161 + 1134225 = 13119^2 + 1065^2 .

It is a super-3 number, since 3×173242386³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 173242386.

It is not an unprimeable number, because it can be changed into a prime (173242387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4812271 + ... + 4812306.

Almost surely, 2^173242386 is an apocalyptic number.

173242386 is an abundant number, since it is smaller than the sum of its proper divisors (202116156).

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

173242386 is a wasteful number, since it uses less digits than its factorization.

173242386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9624585 (or 9624582 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 173242386 is about 13162.1573459673. The cubic root of 173242386 is about 557.4655730247.

The spelling of 173242386 in words is "one hundred seventy-three million, two hundred forty-two thousand, three hundred eighty-six".