4165946 has 4 divisors (see below), whose sum is σ = 6248922. Its totient is φ = 2082972.

The previous prime is 4165943. The next prime is 4165949. The reversal of 4165946 is 6495614.

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

It is an interprime number because it is at equal distance from previous prime (4165943) and next prime (4165949).

It can be written as a sum of positive squares in only one way, i.e., 2436721 + 1729225 = 1561^2 + 1315^2 .

It is not an unprimeable number, because it can be changed into a prime (4165943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041485 + ... + 1041488.

Almost surely, 2^4165946 is an apocalyptic number.

4165946 is a deficient number, since it is larger than the sum of its proper divisors (2082976).

4165946 is a wasteful number, since it uses less digits than its factorization.

4165946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082975.

The product of its digits is 25920, while the sum is 35.

The square root of 4165946 is about 2041.0649181248. The cubic root of 4165946 is about 160.9056196191.

The spelling of 4165946 in words is "four million, one hundred sixty-five thousand, nine hundred forty-six".