4166401 has 4 divisors (see below), whose sum is σ = 4310100. Its totient is φ = 4022704.

The previous prime is 4166389. The next prime is 4166417. The reversal of 4166401 is 1046614.

4166401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1046614 = 2 ⋅523307.

It can be written as a sum of positive squares in 2 ways, for example, as 998001 + 3168400 = 999^2 + 1780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4166401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4166101) 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, 71806 + ... + 71863.

It is an arithmetic number, because the mean of its divisors is an integer number (1077525).

Almost surely, 2^4166401 is an apocalyptic number.

It is an amenable number.

4166401 is a deficient number, since it is larger than the sum of its proper divisors (143699).

4166401 is a wasteful number, since it uses less digits than its factorization.

4166401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143698.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4166401 is about 2041.1763765045. The cubic root of 4166401 is about 160.9114773836.

The spelling of 4166401 in words is "four million, one hundred sixty-six thousand, four hundred one".