173906493 has 16 divisors (see below), whose sum is σ = 234467520. Its totient is φ = 114649344.

The previous prime is 173906479. The next prime is 173906501. The reversal of 173906493 is 394609371.

It is not a de Polignac number, because 173906493 - 2¹⁰ = 173905469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173906443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111205 + ... + 112757.

It is an arithmetic number, because the mean of its divisors is an integer number (14654220).

Almost surely, 2^173906493 is an apocalyptic number.

It is an amenable number.

173906493 is a deficient number, since it is larger than the sum of its proper divisors (60561027).

173906493 is a wasteful number, since it uses less digits than its factorization.

173906493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 173906493 is about 13187.3611082733. The cubic root of 173906493 is about 558.1769938650.

The spelling of 173906493 in words is "one hundred seventy-three million, nine hundred six thousand, four hundred ninety-three".