3631318 has 8 divisors (see below), whose sum is σ = 5733720. Its totient is φ = 1720080.

The previous prime is 3631249. The next prime is 3631321. The reversal of 3631318 is 8131363.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3631292 and 3631301.

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 3 ways as a sum of consecutive naturals, for example, 47743 + ... + 47818.

It is an arithmetic number, because the mean of its divisors is an integer number (716715).

Almost surely, 2^3631318 is an apocalyptic number.

3631318 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3631318 is a deficient number, since it is larger than the sum of its proper divisors (2102402).

3631318 is a wasteful number, since it uses less digits than its factorization.

3631318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95582.

The product of its digits is 1296, while the sum is 25.

The square root of 3631318 is about 1905.6017422326. The cubic root of 3631318 is about 153.7050349926.

It can be divided in two parts, 363 and 1318, that added together give a square (1681 = 41²).

The spelling of 3631318 in words is "three million, six hundred thirty-one thousand, three hundred eighteen".