4136644 has 24 divisors (see below), whose sum is σ = 7741440. Its totient is φ = 1927296.

The previous prime is 4136641. The next prime is 4136651. The reversal of 4136644 is 4466314.

It is a happy number.

It is a super-2 number, since 2×4136644² = 34223647165472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4136641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8397 + ... + 8875.

It is an arithmetic number, because the mean of its divisors is an integer number (322560).

Almost surely, 2^4136644 is an apocalyptic number.

It is an amenable number.

4136644 is a deficient number, since it is larger than the sum of its proper divisors (3604796).

4136644 is a wasteful number, since it uses less digits than its factorization.

4136644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 625 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 4136644 is about 2033.8741357321. The cubic root of 4136644 is about 160.5274778833.

The spelling of 4136644 in words is "four million, one hundred thirty-six thousand, six hundred forty-four".