3631380 has 48 divisors (see below), whose sum is σ = 10523520. Its totient is φ = 934528.

The previous prime is 3631379. The next prime is 3631423. The reversal of 3631380 is 831363.

3631380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3631380.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

Almost surely, 2^3631380 is an apocalyptic number.

3631380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3631380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5261760).

3631380 is an abundant number, since it is smaller than the sum of its proper divisors (6892140).

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

3631380 is a wasteful number, since it uses less digits than its factorization.

3631380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3631380 is about 1905.6180099905. The cubic root of 3631380 is about 153.7059097583.

The spelling of 3631380 in words is "three million, six hundred thirty-one thousand, three hundred eighty".