3694209 has 8 divisors (see below), whose sum is σ = 4934880. Its totient is φ = 2458176.

The previous prime is 3694199. The next prime is 3694217. The reversal of 3694209 is 9024963.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3694209 - 2⁴ = 3694193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3694209.

It is not an unprimeable number, because it can be changed into a prime (3694279) 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, 1737 + ... + 3225.

It is an arithmetic number, because the mean of its divisors is an integer number (616860).

Almost surely, 2^3694209 is an apocalyptic number.

It is an amenable number.

3694209 is a deficient number, since it is larger than the sum of its proper divisors (1240671).

3694209 is a wasteful number, since it uses less digits than its factorization.

3694209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 3694209 is about 1922.0325179351. The cubic root of 3694209 is about 154.5873031160.

The spelling of 3694209 in words is "three million, six hundred ninety-four thousand, two hundred nine".