3661446 has 16 divisors (see below), whose sum is σ = 7521264. Its totient is φ = 1187424.

The previous prime is 3661429. The next prime is 3661447. The reversal of 3661446 is 6441663.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661447) 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, 8025 + ... + 8468.

It is an arithmetic number, because the mean of its divisors is an integer number (470079).

Almost surely, 2^3661446 is an apocalyptic number.

3661446 is an abundant number, since it is smaller than the sum of its proper divisors (3859818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3661446 is a wasteful number, since it uses less digits than its factorization.

3661446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16535.

The product of its digits is 10368, while the sum is 30.

The square root of 3661446 is about 1913.4905278051. The cubic root of 3661446 is about 154.1289469281.

The spelling of 3661446 in words is "three million, six hundred sixty-one thousand, four hundred forty-six".