3938563 has 4 divisors (see below), whose sum is σ = 3975480. Its totient is φ = 3901648.

The previous prime is 3938549. The next prime is 3938593. The reversal of 3938563 is 3658393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3658393 = 19 ⋅192547.

It is not a de Polignac number, because 3938563 - 2⁵ = 3938531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3938513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18298 + ... + 18511.

It is an arithmetic number, because the mean of its divisors is an integer number (993870).

Almost surely, 2^3938563 is an apocalyptic number.

3938563 is a deficient number, since it is larger than the sum of its proper divisors (36917).

3938563 is a wasteful number, since it uses less digits than its factorization.

3938563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36916.

The product of its digits is 58320, while the sum is 37.

The square root of 3938563 is about 1984.5813160463. The cubic root of 3938563 is about 157.9231988009.

The spelling of 3938563 in words is "three million, nine hundred thirty-eight thousand, five hundred sixty-three".