859974 has 8 divisors (see below), whose sum is σ = 1719960. Its totient is φ = 286656.

The previous prime is 859973. The next prime is 859981. The reversal of 859974 is 479958.

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

859974 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859973) 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, 71659 + ... + 71670.

It is an arithmetic number, because the mean of its divisors is an integer number (214995).

2⁸⁵⁹⁹⁷⁴ is an apocalyptic number.

859974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

859974 is a wasteful number, since it uses less digits than its factorization.

859974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143334.

The product of its digits is 90720, while the sum is 42.

The square root of 859974 is about 927.3478311831. The cubic root of 859974 is about 95.0958957805.

Adding to 859974 its sum of digits (42), we get a triangular number (860016 = T₁₃₁₁).

The spelling of 859974 in words is "eight hundred fifty-nine thousand, nine hundred seventy-four".