3666026 has 16 divisors (see below), whose sum is σ = 6768384. Its totient is φ = 1450224.

The previous prime is 3666023. The next prime is 3666037. The reversal of 3666026 is 6206663.

It is a self number, because there is not a number n which added to its sum of digits gives 3666026.

It is not an unprimeable number, because it can be changed into a prime (3666023) 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 in 7 ways as a sum of consecutive naturals, for example, 9890 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (423024).

Almost surely, 2^3666026 is an apocalyptic number.

3666026 is a deficient number, since it is larger than the sum of its proper divisors (3102358).

3666026 is a wasteful number, since it uses less digits than its factorization.

3666026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20165.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 3666026 is about 1914.6869195772. The cubic root of 3666026 is about 154.1931853416.

The spelling of 3666026 in words is "three million, six hundred sixty-six thousand, twenty-six".