3669144 has 72 divisors (see below), whose sum is σ = 10186260. Its totient is φ = 1101056.

The previous prime is 3669119. The next prime is 3669163. The reversal of 3669144 is 4419663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 159517 + ... + 159539.

Almost surely, 2^3669144 is an apocalyptic number.

3669144 is a gapful number since it is divisible by the number (34) 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 3669144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5093130).

3669144 is an abundant number, since it is smaller than the sum of its proper divisors (6517116).

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

3669144 is a wasteful number, since it uses less digits than its factorization.

3669144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 45 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 3669144 is about 1915.5009788564. The cubic root of 3669144 is about 154.2368873516.

The spelling of 3669144 in words is "three million, six hundred sixty-nine thousand, one hundred forty-four".