3508906 has 4 divisors (see below), whose sum is σ = 5263362. Its totient is φ = 1754452.

The previous prime is 3508889. The next prime is 3508909. The reversal of 3508906 is 6098053.

3508906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2374681 + 1134225 = 1541^2 + 1065^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (3508909) 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 as a sum of consecutive naturals, namely, 877225 + ... + 877228.

Almost surely, 2^3508906 is an apocalyptic number.

3508906 is a deficient number, since it is larger than the sum of its proper divisors (1754456).

3508906 is a wasteful number, since it uses less digits than its factorization.

3508906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754455.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 3508906 is about 1873.2074097654. The cubic root of 3508906 is about 151.9581198100.

The spelling of 3508906 in words is "three million, five hundred eight thousand, nine hundred six".