3663144 has 40 divisors (see below), whose sum is σ = 10262010. Its totient is φ = 1220832.

The previous prime is 3663137. The next prime is 3663157. The reversal of 3663144 is 4413663.

It can be written as a sum of positive squares in only one way, i.e., 2683044 + 980100 = 1638^2 + 990^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2179 + ... + 3474.

Almost surely, 2^3663144 is an apocalyptic number.

It is an amenable number.

3663144 is an abundant number, since it is smaller than the sum of its proper divisors (6598866).

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

3663144 is a wasteful number, since it uses less digits than its factorization.

3663144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671 (or 5658 counting only the distinct ones).

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

The square root of 3663144 is about 1913.9341681469. The cubic root of 3663144 is about 154.1527690743.

The spelling of 3663144 in words is "three million, six hundred sixty-three thousand, one hundred forty-four".