393166 has 4 divisors (see below), whose sum is σ = 589752. Its totient is φ = 196582.

The previous prime is 393161. The next prime is 393181. The reversal of 393166 is 661393.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98290 + ... + 98293.

It is an arithmetic number, because the mean of its divisors is an integer number (147438).

2³⁹³¹⁶⁶ is an apocalyptic number.

393166 is a deficient number, since it is larger than the sum of its proper divisors (196586).

393166 is a wasteful number, since it uses less digits than its factorization.

393166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196585.

The product of its digits is 2916, while the sum is 28.

The square root of 393166 is about 627.0295048879. The cubic root of 393166 is about 73.2586061557.

The spelling of 393166 in words is "three hundred ninety-three thousand, one hundred sixty-six".