4066026 has 16 divisors (see below), whose sum is σ = 8610624. Its totient is φ = 1275584.

The previous prime is 4066021. The next prime is 4066031. The reversal of 4066026 is 6206604.

It is an interprime number because it is at equal distance from previous prime (4066021) and next prime (4066031).

It is a junction number, because it is equal to n+sod(n) for n = 4065987 and 4066005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066021) 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, 19830 + ... + 20033.

It is an arithmetic number, because the mean of its divisors is an integer number (538164).

Almost surely, 2^4066026 is an apocalyptic number.

4066026 is an abundant number, since it is smaller than the sum of its proper divisors (4544598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4066026 is a wasteful number, since it uses less digits than its factorization.

4066026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39885.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4066026 is about 2016.4389403104. The cubic root of 4066026 is about 159.6087576303.

It can be divided in two parts, 40 and 66026, that added together give a palindrome (66066).

The spelling of 4066026 in words is "four million, sixty-six thousand, twenty-six".