1938563 has 16 divisors (see below), whose sum is σ = 2246400. Its totient is φ = 1656480.

The previous prime is 1938557. The next prime is 1938571. The reversal of 1938563 is 3658391.

It is not a de Polignac number, because 1938563 - 2⁶ = 1938499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1938533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18770 + ... + 18872.

It is an arithmetic number, because the mean of its divisors is an integer number (140400).

2^1938563 is an apocalyptic number.

1938563 is a deficient number, since it is larger than the sum of its proper divisors (307837).

1938563 is a wasteful number, since it uses less digits than its factorization.

1938563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202.

The product of its digits is 19440, while the sum is 35.

The square root of 1938563 is about 1392.3228792202. The cubic root of 1938563 is about 124.6885687289.

The spelling of 1938563 in words is "one million, nine hundred thirty-eight thousand, five hundred sixty-three".