3644363 has 4 divisors (see below), whose sum is σ = 3676728. Its totient is φ = 3612000.

The previous prime is 3644357. The next prime is 3644411. The reversal of 3644363 is 3634463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3644363 - 2¹⁴ = 3627979 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 6 + 4⁷ + 4⁹ + 3¹³ + 6² + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3643363) 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, 16013 + ... + 16238.

It is an arithmetic number, because the mean of its divisors is an integer number (919182).

Almost surely, 2^3644363 is an apocalyptic number.

3644363 is a deficient number, since it is larger than the sum of its proper divisors (32365).

3644363 is a wasteful number, since it uses less digits than its factorization.

3644363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32364.

The product of its digits is 15552, while the sum is 29.

The square root of 3644363 is about 1909.0214770924. The cubic root of 3644363 is about 153.8888696195. Note that the first 4 decimals are identical.

The spelling of 3644363 in words is "three million, six hundred forty-four thousand, three hundred sixty-three".