3691436 has 12 divisors (see below), whose sum is σ = 7382928. Its totient is φ = 1582032.

The previous prime is 3691403. The next prime is 3691447. The reversal of 3691436 is 6341963.

It is a happy number.

3691436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

3691436 is an admirable number.

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 an unprimeable number.

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, 65891 + ... + 65946.

It is an arithmetic number, because the mean of its divisors is an integer number (615244).

Almost surely, 2^3691436 is an apocalyptic number.

It is an amenable number.

3691436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3691436 is a wasteful number, since it uses less digits than its factorization.

3691436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131848 (or 131846 counting only the distinct ones).

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

The square root of 3691436 is about 1921.3110107424. The cubic root of 3691436 is about 154.5486139230.

The spelling of 3691436 in words is "three million, six hundred ninety-one thousand, four hundred thirty-six".