3616691 has 4 divisors (see below), whose sum is σ = 3894912. Its totient is φ = 3338472.

The previous prime is 3616673. The next prime is 3616703. The reversal of 3616691 is 1966163.

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 3616691 - 2¹⁴ = 3600307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3616621) 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, 139091 + ... + 139116.

It is an arithmetic number, because the mean of its divisors is an integer number (973728).

Almost surely, 2^3616691 is an apocalyptic number.

3616691 is a deficient number, since it is larger than the sum of its proper divisors (278221).

3616691 is a wasteful number, since it uses less digits than its factorization.

3616691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278220.

The product of its digits is 5832, while the sum is 32.

The square root of 3616691 is about 1901.7599743396. The cubic root of 3616691 is about 153.4983819286.

The spelling of 3616691 in words is "three million, six hundred sixteen thousand, six hundred ninety-one".