859802 has 4 divisors (see below), whose sum is σ = 1289706. Its totient is φ = 429900.

The previous prime is 859801. The next prime is 859823. The reversal of 859802 is 208958.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208958 = 2 ⋅104479.

It can be written as a sum of positive squares in only one way, i.e., 674041 + 185761 = 821^2 + 431^2 .

It is not an unprimeable number, because it can be changed into a prime (859801) 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 as a sum of consecutive naturals, namely, 214949 + ... + 214952.

2⁸⁵⁹⁸⁰² is an apocalyptic number.

859802 is a deficient number, since it is larger than the sum of its proper divisors (429904).

859802 is a wasteful number, since it uses less digits than its factorization.

859802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429903.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 859802 is about 927.2550889588. The cubic root of 859802 is about 95.0895554398.

It can be divided in two parts, 859 and 802, that added together give a palindrome (1661).

The spelling of 859802 in words is "eight hundred fifty-nine thousand, eight hundred two".