3500806 has 8 divisors (see below), whose sum is σ = 5317920. Its totient is φ = 1728168.

The previous prime is 3500803. The next prime is 3500831. The reversal of 3500806 is 6080053.

3500806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10921 + ... + 11236.

It is an arithmetic number, because the mean of its divisors is an integer number (664740).

Almost surely, 2^3500806 is an apocalyptic number.

3500806 is a deficient number, since it is larger than the sum of its proper divisors (1817114).

3500806 is a wasteful number, since it uses less digits than its factorization.

3500806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22238.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3500806 is about 1871.0440935478. The cubic root of 3500806 is about 151.8411024169.

Adding to 3500806 its reverse (6080053), we get a palindrome (9580859).

The spelling of 3500806 in words is "three million, five hundred thousand, eight hundred six".