3631144 has 16 divisors (see below), whose sum is σ = 7427520. Its totient is φ = 1650480.

The previous prime is 3631141. The next prime is 3631163. The reversal of 3631144 is 4411363.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (3631141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20544 + ... + 20719.

It is an arithmetic number, because the mean of its divisors is an integer number (464220).

Almost surely, 2^3631144 is an apocalyptic number.

It is an amenable number.

3631144 is an abundant number, since it is smaller than the sum of its proper divisors (3796376).

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

3631144 is a wasteful number, since it uses less digits than its factorization.

3631144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41280 (or 41276 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 3631144 is about 1905.5560868156. The cubic root of 3631144 is about 153.7025799516.

The spelling of 3631144 in words is "three million, six hundred thirty-one thousand, one hundred forty-four".