859960 has 16 divisors (see below), whose sum is σ = 1935000. Its totient is φ = 343968.

The previous prime is 859939. The next prime is 859973. The reversal of 859960 is 69958.

859960 = T₅₈₄ + T₅₈₅ + ... + T₅₈₈.

It is a congruent number.

It is an unprimeable number.

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, 10710 + ... + 10789.

2⁸⁵⁹⁹⁶⁰ is an apocalyptic number.

It is an amenable number.

859960 is an abundant number, since it is smaller than the sum of its proper divisors (1075040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859960 is a wasteful number, since it uses less digits than its factorization.

859960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21510 (or 21506 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 859960 is about 927.3402827441. The cubic root of 859960 is about 95.0953797379.

The spelling of 859960 in words is "eight hundred fifty-nine thousand, nine hundred sixty".