1928563 has 8 divisors (see below), whose sum is σ = 2373728. Its totient is φ = 1525824.

The previous prime is 1928561. The next prime is 1928567. The reversal of 1928563 is 3658291.

1928563 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1928563 - 2¹ = 1928561 is a prime.

1928563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1928561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10506 + ... + 10687.

It is an arithmetic number, because the mean of its divisors is an integer number (296716).

2^1928563 is an apocalyptic number.

1928563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1928563 is a deficient number, since it is larger than the sum of its proper divisors (445165).

1928563 is a wasteful number, since it uses less digits than its factorization.

1928563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21213.

The product of its digits is 12960, while the sum is 34.

The square root of 1928563 is about 1388.7271150230. The cubic root of 1928563 is about 124.4737986722.

It can be divided in two parts, 19 and 28563, that added together give a palindrome (28582).

The spelling of 1928563 in words is "one million, nine hundred twenty-eight thousand, five hundred sixty-three".