4392166 has 16 divisors (see below), whose sum is σ = 6985440. Its totient is φ = 2067520.

The previous prime is 4392151. The next prime is 4392169. The reversal of 4392166 is 6612934.

It is a super-2 number, since 2×4392166² = 38582244343112, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4392169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (436590).

Almost surely, 2^4392166 is an apocalyptic number.

4392166 is a deficient number, since it is larger than the sum of its proper divisors (2593274).

4392166 is a wasteful number, since it uses less digits than its factorization.

4392166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919.

The product of its digits is 7776, while the sum is 31.

The square root of 4392166 is about 2095.7495079327. The cubic root of 4392166 is about 163.7669453940.

The spelling of 4392166 in words is "four million, three hundred ninety-two thousand, one hundred sixty-six".