3491636 has 12 divisors (see below), whose sum is σ = 6148128. Its totient is φ = 1735032.

The previous prime is 3491627. The next prime is 3491639. The reversal of 3491636 is 6361943.

It is a happy number.

3491636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3491639) 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, 1946 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (512344).

Almost surely, 2^3491636 is an apocalyptic number.

It is an amenable number.

3491636 is a deficient number, since it is larger than the sum of its proper divisors (2656492).

3491636 is a wasteful number, since it uses less digits than its factorization.

3491636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398 (or 5396 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 3491636 is about 1868.5919832858. The cubic root of 3491636 is about 151.7084091252.

The spelling of 3491636 in words is "three million, four hundred ninety-one thousand, six hundred thirty-six".