4166306 has 4 divisors (see below), whose sum is σ = 6249462. Its totient is φ = 2083152.

The previous prime is 4166303. The next prime is 4166317. The reversal of 4166306 is 6036614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6036614 = 2 ⋅3018307.

It can be written as a sum of positive squares in only one way, i.e., 4165681 + 625 = 2041^2 + 25^2 .

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4166303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041575 + ... + 1041578.

Almost surely, 2^4166306 is an apocalyptic number.

4166306 is a deficient number, since it is larger than the sum of its proper divisors (2083156).

4166306 is a wasteful number, since it uses less digits than its factorization.

4166306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083155.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 4166306 is about 2041.1531054774. The cubic root of 4166306 is about 160.9102543691.

The spelling of 4166306 in words is "four million, one hundred sixty-six thousand, three hundred six".