403166 has 8 divisors (see below), whose sum is σ = 617760. Its totient is φ = 197248.

The previous prime is 403163. The next prime is 403181. The reversal of 403166 is 661304.

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

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403163) by changing a digit.

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, 2051 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2⁴⁰³¹⁶⁶ is an apocalyptic number.

403166 is a deficient number, since it is larger than the sum of its proper divisors (214594).

403166 is a wasteful number, since it uses less digits than its factorization.

403166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4338.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 403166 is about 634.9535416076. The cubic root of 403166 is about 73.8745134020.

The spelling of 403166 in words is "four hundred three thousand, one hundred sixty-six".