3648023 has 4 divisors (see below), whose sum is σ = 3652680. Its totient is φ = 3643368.

The previous prime is 3647989. The next prime is 3648031. The reversal of 3648023 is 3208463.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3648023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3647983 and 3648001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3648923) 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 3 ways as a sum of consecutive naturals, for example, 833 + ... + 2826.

It is an arithmetic number, because the mean of its divisors is an integer number (913170).

Almost surely, 2^3648023 is an apocalyptic number.

3648023 is a deficient number, since it is larger than the sum of its proper divisors (4657).

3648023 is an equidigital number, since it uses as much as digits as its factorization.

3648023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3648023 is about 1909.9798428256. The cubic root of 3648023 is about 153.9403687721.

The spelling of 3648023 in words is "three million, six hundred forty-eight thousand, twenty-three".