3666853 has 2 divisors, whose sum is σ = 3666854. Its totient is φ = 3666852.

The previous prime is 3666841. The next prime is 3666877. The reversal of 3666853 is 3586663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3467044 + 199809 = 1862^2 + 447^2 .

It is a cyclic number.

It is not a de Polignac number, because 3666853 - 2¹³ = 3658661 is a prime.

It is a d-powerful number, because it can be written as 3 + 6² + 6⁴ + 6⁸ + 8⁵ + 5⁹ + 3² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3666823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833426 + 1833427.

It is an arithmetic number, because the mean of its divisors is an integer number (1833427).

Almost surely, 2^3666853 is an apocalyptic number.

It is an amenable number.

3666853 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666853 is an equidigital number, since it uses as much as digits as its factorization.

3666853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 3666853 is about 1914.9028695994. The cubic root of 3666853 is about 154.2047790198.

The spelling of 3666853 in words is "three million, six hundred sixty-six thousand, eight hundred fifty-three".