3699447 has 8 divisors (see below), whose sum is σ = 5091840. Its totient is φ = 2386680.

The previous prime is 3699439. The next prime is 3699457. The reversal of 3699447 is 7449963.

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

It is not a de Polignac number, because 3699447 - 2³ = 3699439 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3699399 and 3699408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3699407) 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, 19797 + ... + 19982.

It is an arithmetic number, because the mean of its divisors is an integer number (636480).

Almost surely, 2^3699447 is an apocalyptic number.

3699447 is a deficient number, since it is larger than the sum of its proper divisors (1392393).

3699447 is a wasteful number, since it uses less digits than its factorization.

3699447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39813.

The product of its digits is 163296, while the sum is 42.

The square root of 3699447 is about 1923.3946552905. The cubic root of 3699447 is about 154.6603314595.

The spelling of 3699447 in words is "three million, six hundred ninety-nine thousand, four hundred forty-seven".