3669447 has 4 divisors (see below), whose sum is σ = 4892600. Its totient is φ = 2446296.

The previous prime is 3669427. The next prime is 3669469. The reversal of 3669447 is 7449663.

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

It is not a de Polignac number, because 3669447 - 2⁶ = 3669383 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611572 + ... + 611577.

It is an arithmetic number, because the mean of its divisors is an integer number (1223150).

Almost surely, 2^3669447 is an apocalyptic number.

3669447 is a deficient number, since it is larger than the sum of its proper divisors (1223153).

3669447 is a wasteful number, since it uses less digits than its factorization.

3669447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223152.

The product of its digits is 108864, while the sum is 39.

The square root of 3669447 is about 1915.5800688042. The cubic root of 3669447 is about 154.2411328914.

The spelling of 3669447 in words is "three million, six hundred sixty-nine thousand, four hundred forty-seven".