3938023 has 4 divisors (see below), whose sum is σ = 4065088. Its totient is φ = 3810960.

The previous prime is 3937993. The next prime is 3938029. The reversal of 3938023 is 3208393.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3208393 = 17 ⋅188729.

It is a cyclic number.

It is not a de Polignac number, because 3938023 - 2¹³ = 3929831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3937982 and 3938000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938029) 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, 63486 + ... + 63547.

It is an arithmetic number, because the mean of its divisors is an integer number (1016272).

Almost surely, 2^3938023 is an apocalyptic number.

3938023 is a deficient number, since it is larger than the sum of its proper divisors (127065).

3938023 is a wasteful number, since it uses less digits than its factorization.

3938023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127064.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 3938023 is about 1984.4452625356. The cubic root of 3938023 is about 157.9159810733.

The spelling of 3938023 in words is "three million, nine hundred thirty-eight thousand, twenty-three".