853798 has 12 divisors (see below), whose sum is σ = 1404252. Its totient is φ = 386120.

The previous prime is 853793. The next prime is 853799. The reversal of 853798 is 897358.

Its product of digits (60480) is a multiple of the sum of its prime divisors (210).

It is a self number, because there is not a number n which added to its sum of digits gives 853798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853793) by changing a digit.

853798 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4236 + ... + 4432.

It is an arithmetic number, because the mean of its divisors is an integer number (117021).

2⁸⁵³⁷⁹⁸ is an apocalyptic number.

853798 is a deficient number, since it is larger than the sum of its proper divisors (550454).

853798 is a wasteful number, since it uses less digits than its factorization.

853798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407 (or 210 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 853798 is about 924.0119046852. The cubic root of 853798 is about 94.8677013474.

It can be divided in two parts, 85 and 3798, that added together give a palindrome (3883).

The spelling of 853798 in words is "eight hundred fifty-three thousand, seven hundred ninety-eight".