385166 has 4 divisors (see below), whose sum is σ = 577752. Its totient is φ = 192582.

The previous prime is 385159. The next prime is 385171. The reversal of 385166 is 661583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661583 = 13 ⋅50891.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 385166.

It is an unprimeable number.

385166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96290 + ... + 96293.

It is an arithmetic number, because the mean of its divisors is an integer number (144438).

2³⁸⁵¹⁶⁶ is an apocalyptic number.

385166 is a deficient number, since it is larger than the sum of its proper divisors (192586).

385166 is a wasteful number, since it uses less digits than its factorization.

385166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192585.

The product of its digits is 4320, while the sum is 29.

The square root of 385166 is about 620.6174344957. The cubic root of 385166 is about 72.7583175227.

The spelling of 385166 in words is "three hundred eighty-five thousand, one hundred sixty-six".