3656144 has 10 divisors (see below), whose sum is σ = 7083810. Its totient is φ = 1828064.

The previous prime is 3656141. The next prime is 3656179. The reversal of 3656144 is 4416563.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3655744 + 400 = 1912^2 + 20^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114239 + ... + 114270.

It is an arithmetic number, because the mean of its divisors is an integer number (708381).

Almost surely, 2^3656144 is an apocalyptic number.

It is an amenable number.

3656144 is a deficient number, since it is larger than the sum of its proper divisors (3427666).

3656144 is a wasteful number, since it uses less digits than its factorization.

3656144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228517 (or 228511 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 3656144 is about 1912.1045996493. The cubic root of 3656144 is about 154.0545149102.

The spelling of 3656144 in words is "three million, six hundred fifty-six thousand, one hundred forty-four".