3663694 has 16 divisors (see below), whose sum is σ = 5875200. Its totient is φ = 1708344.

The previous prime is 3663691. The next prime is 3663707. The reversal of 3663694 is 4963663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (367200).

Almost surely, 2^3663694 is an apocalyptic number.

3663694 is a deficient number, since it is larger than the sum of its proper divisors (2211506).

3663694 is a wasteful number, since it uses less digits than its factorization.

3663694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527.

The product of its digits is 69984, while the sum is 37.

The square root of 3663694 is about 1914.0778458569. The cubic root of 3663694 is about 154.1604837387.

The spelling of 3663694 in words is "three million, six hundred sixty-three thousand, six hundred ninety-four".