3645463 has 4 divisors (see below), whose sum is σ = 3859920. Its totient is φ = 3431008.

The previous prime is 3645449. The next prime is 3645469.

3645463 is nontrivially palindromic in base 10.

3645463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3645463 - 2⁹ = 3644951 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

3645463 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107203 + ... + 107236.

It is an arithmetic number, because the mean of its divisors is an integer number (964980).

Almost surely, 2^3645463 is an apocalyptic number.

3645463 is a deficient number, since it is larger than the sum of its proper divisors (214457).

3645463 is a wasteful number, since it uses less digits than its factorization.

3645463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214456.

The product of its digits is 25920, while the sum is 31.

The square root of 3645463 is about 1909.3095610718. The cubic root of 3645463 is about 153.9043511297.

The spelling of 3645463 in words is "three million, six hundred forty-five thousand, four hundred sixty-three".