859930 has 16 divisors (see below), whose sum is σ = 1563624. Its totient is φ = 340480.

The previous prime is 859927. The next prime is 859933. The reversal of 859930 is 39958.

It is an interprime number because it is at equal distance from previous prime (859927) and next prime (859933).

It can be written as a sum of positive squares in 4 ways, for example, as 139129 + 720801 = 373^2 + 849^2 .

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859933) 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 7 ways as a sum of consecutive naturals, for example, 750 + ... + 1510.

2⁸⁵⁹⁹³⁰ is an apocalyptic number.

859930 is a deficient number, since it is larger than the sum of its proper divisors (703694).

859930 is a wasteful number, since it uses less digits than its factorization.

859930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 859930 is about 927.3241073109. The cubic root of 859930 is about 95.0942739134.

The spelling of 859930 in words is "eight hundred fifty-nine thousand, nine hundred thirty".