3606691 has 4 divisors (see below), whose sum is σ = 3934584. Its totient is φ = 3278800.

The previous prime is 3606689. The next prime is 3606697. The reversal of 3606691 is 1966063.

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

It is a cyclic number.

It is not a de Polignac number, because 3606691 - 2¹ = 3606689 is a prime.

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 Duffinian number.

3606691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3606697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163930 + ... + 163951.

It is an arithmetic number, because the mean of its divisors is an integer number (983646).

Almost surely, 2^3606691 is an apocalyptic number.

3606691 is a deficient number, since it is larger than the sum of its proper divisors (327893).

3606691 is a wasteful number, since it uses less digits than its factorization.

3606691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327892.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3606691 is about 1899.1290108889. The cubic root of 3606691 is about 153.3567791285.

The spelling of 3606691 in words is "three million, six hundred six thousand, six hundred ninety-one".