3868023 has 4 divisors (see below), whose sum is σ = 5157368. Its totient is φ = 2578680.

The previous prime is 3868021. The next prime is 3868031. The reversal of 3868023 is 3208683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3208683 = 3 ⋅1069561.

It is not a de Polignac number, because 3868023 - 2¹ = 3868021 is a prime.

It is a D-number.

It is a Duffinian number.

3868023 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868021) 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, 644668 + ... + 644673.

It is an arithmetic number, because the mean of its divisors is an integer number (1289342).

Almost surely, 2^3868023 is an apocalyptic number.

3868023 is a deficient number, since it is larger than the sum of its proper divisors (1289345).

3868023 is a wasteful number, since it uses less digits than its factorization.

3868023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289344.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3868023 is about 1966.7290103113. The cubic root of 3868023 is about 156.9747075434.

The spelling of 3868023 in words is "three million, eight hundred sixty-eight thousand, twenty-three".