3687446 has 24 divisors (see below), whose sum is σ = 6500736. Its totient is φ = 1564080.

The previous prime is 3687443. The next prime is 3687451. The reversal of 3687446 is 6447863.

It is a happy number.

It is a d-powerful number, because it can be written as 3¹² + 6² + 8⁷ + 7⁴ + 4³ + 4¹⁰ + 6⁵ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18620 + ... + 18816.

It is an arithmetic number, because the mean of its divisors is an integer number (270864).

Almost surely, 2^3687446 is an apocalyptic number.

3687446 is a deficient number, since it is larger than the sum of its proper divisors (2813290).

3687446 is a wasteful number, since it uses less digits than its factorization.

3687446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 397 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 3687446 is about 1920.2723765133. The cubic root of 3687446 is about 154.4929110044.

The spelling of 3687446 in words is "three million, six hundred eighty-seven thousand, four hundred forty-six".