3535666 has 4 divisors (see below), whose sum is σ = 5303502. Its totient is φ = 1767832.

The previous prime is 3535663. The next prime is 3535673. The reversal of 3535666 is 6665353.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 594441 = 1715^2 + 771^2 .

It is not an unprimeable number, because it can be changed into a prime (3535663) 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 as a sum of consecutive naturals, namely, 883915 + ... + 883918.

Almost surely, 2^3535666 is an apocalyptic number.

3535666 is a deficient number, since it is larger than the sum of its proper divisors (1767836).

3535666 is a wasteful number, since it uses less digits than its factorization.

3535666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767835.

The product of its digits is 48600, while the sum is 34.

The square root of 3535666 is about 1880.3366719819. The cubic root of 3535666 is about 152.3434351245.

The spelling of 3535666 in words is "three million, five hundred thirty-five thousand, six hundred sixty-six".