1063859 has 4 divisors (see below), whose sum is σ = 1066560. Its totient is φ = 1061160.

The previous prime is 1063849. The next prime is 1063871. The reversal of 1063859 is 9583601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9583601 = 29 ⋅330469.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1063859 is a prime.

It is a super-2 number, since 2×1063859² = 2263591943762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (266640).

2^1063859 is an apocalyptic number.

1063859 is a deficient number, since it is larger than the sum of its proper divisors (2701).

1063859 is an equidigital number, since it uses as much as digits as its factorization.

1063859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1063859 is about 1031.4354075753. The cubic root of 1063859 is about 102.0848646538.

The spelling of 1063859 in words is "one million, sixty-three thousand, eight hundred fifty-nine".