387166 has 8 divisors (see below), whose sum is σ = 625464. Its totient is φ = 178680.

The previous prime is 387161. The next prime is 387169. The reversal of 387166 is 661783.

387166 = T₂₄₈ + T₂₄₉ + ... + T₂₅₉.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387161) by changing a digit.

387166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 7420 + ... + 7471.

It is an arithmetic number, because the mean of its divisors is an integer number (78183).

2³⁸⁷¹⁶⁶ is an apocalyptic number.

387166 is a deficient number, since it is larger than the sum of its proper divisors (238298).

387166 is a wasteful number, since it uses less digits than its factorization.

387166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14906.

The product of its digits is 6048, while the sum is 31.

The square root of 387166 is about 622.2266468097. The cubic root of 387166 is about 72.8840343053.

The spelling of 387166 in words is "three hundred eighty-seven thousand, one hundred sixty-six".