3638023 has 2 divisors, whose sum is σ = 3638024. Its totient is φ = 3638022.

The previous prime is 3638009. The next prime is 3638027. The reversal of 3638023 is 3208363.

3638023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3638023 - 2¹³ = 3629831 is a prime.

It is a super-2 number, since 2×3638023² = 26470422697058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3638027) 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 as a sum of consecutive naturals, namely, 1819011 + 1819012.

It is an arithmetic number, because the mean of its divisors is an integer number (1819012).

Almost surely, 2^3638023 is an apocalyptic number.

3638023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3638023 is an equidigital number, since it uses as much as digits as its factorization.

3638023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 3638023 is about 1907.3602176831. The cubic root of 3638023 is about 153.7995790490.

The spelling of 3638023 in words is "three million, six hundred thirty-eight thousand, twenty-three".