1560863 has 4 divisors (see below), whose sum is σ = 1563408. Its totient is φ = 1558320.

The previous prime is 1560859. The next prime is 1560877. The reversal of 1560863 is 3680651.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1560863 - 2² = 1560859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560883) 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, 278 + ... + 1788.

It is an arithmetic number, because the mean of its divisors is an integer number (390852).

2^1560863 is an apocalyptic number.

1560863 is a deficient number, since it is larger than the sum of its proper divisors (2545).

1560863 is a wasteful number, since it uses less digits than its factorization.

1560863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1560863 is about 1249.3450284049. The cubic root of 1560863 is about 115.9991825150. Note that the first 3 decimals are identical.

The spelling of 1560863 in words is "one million, five hundred sixty thousand, eight hundred sixty-three".