4166039 has 4 divisors (see below), whose sum is σ = 4172760. Its totient is φ = 4159320.

The previous prime is 4166027. The next prime is 4166047. The reversal of 4166039 is 9306614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9306614 = 2 ⋅4653307.

It is a cyclic number.

It is not a de Polignac number, because 4166039 - 2⁴ = 4166023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324 + ... + 3705.

It is an arithmetic number, because the mean of its divisors is an integer number (1043190).

Almost surely, 2^4166039 is an apocalyptic number.

4166039 is a deficient number, since it is larger than the sum of its proper divisors (6721).

4166039 is an equidigital number, since it uses as much as digits as its factorization.

4166039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4166039 is about 2041.0877002226. The cubic root of 4166039 is about 160.9068169551.

The spelling of 4166039 in words is "four million, one hundred sixty-six thousand, thirty-nine".