3654563 has 6 divisors (see below), whose sum is σ = 4017132. Its totient is φ = 3322220.

The previous prime is 3654557. The next prime is 3654569.

3654563 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (3654557) and next prime (3654569).

It is not a de Polignac number, because 3654563 - 2²⁰ = 2605987 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3654569) 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 5 ways as a sum of consecutive naturals, for example, 14981 + ... + 15222.

It is an arithmetic number, because the mean of its divisors is an integer number (669522).

Almost surely, 2^3654563 is an apocalyptic number.

3654563 is a deficient number, since it is larger than the sum of its proper divisors (362569).

3654563 is a wasteful number, since it uses less digits than its factorization.

3654563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30225 (or 30214 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 3654563 is about 1911.6911361410. The cubic root of 3654563 is about 154.0323061475.

The spelling of 3654563 in words is "three million, six hundred fifty-four thousand, five hundred sixty-three".