3631446 has 64 divisors (see below), whose sum is σ = 9945600. Its totient is φ = 956448.

The previous prime is 3631427. The next prime is 3631457. The reversal of 3631446 is 6441363.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4545 + ... + 5283.

It is an arithmetic number, because the mean of its divisors is an integer number (155400).

Almost surely, 2^3631446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3631446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4972800).

3631446 is an abundant number, since it is smaller than the sum of its proper divisors (6314154).

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

3631446 is a wasteful number, since it uses less digits than its factorization.

3631446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 764 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 3631446 is about 1905.6353271285. The cubic root of 3631446 is about 153.7068409496.

The spelling of 3631446 in words is "three million, six hundred thirty-one thousand, four hundred forty-six".