3644276 has 12 divisors (see below), whose sum is σ = 6713280. Its totient is φ = 1726200.

The previous prime is 3644237. The next prime is 3644279. The reversal of 3644276 is 6724463.

It is a d-powerful number, because it can be written as 3⁹ + 6⁸ + 4⁴ + 4⁷ + 2¹⁷ + 7⁶ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644279) 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, 23900 + ... + 24051.

It is an arithmetic number, because the mean of its divisors is an integer number (559440).

Almost surely, 2^3644276 is an apocalyptic number.

It is an amenable number.

3644276 is a deficient number, since it is larger than the sum of its proper divisors (3069004).

3644276 is a wasteful number, since it uses less digits than its factorization.

3644276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47974 (or 47972 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 3644276 is about 1908.9986904134. The cubic root of 3644276 is about 153.8876450399.

The spelling of 3644276 in words is "three million, six hundred forty-four thousand, two hundred seventy-six".