853401 has 4 divisors (see below), whose sum is σ = 1137872. Its totient is φ = 568932.

The previous prime is 853387. The next prime is 853403. The reversal of 853401 is 104358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 853401 - 2⁹ = 852889 is a prime.

It is a D-number.

It is a Duffinian number.

853401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (853403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142231 + ... + 142236.

It is an arithmetic number, because the mean of its divisors is an integer number (284468).

2⁸⁵³⁴⁰¹ is an apocalyptic number.

It is an amenable number.

853401 is a deficient number, since it is larger than the sum of its proper divisors (284471).

853401 is a wasteful number, since it uses less digits than its factorization.

853401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284470.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 853401 is about 923.7970556351. The cubic root of 853401 is about 94.8529951692.

Adding to 853401 its reverse (104358), we get a palindrome (957759).

It can be divided in two parts, 85 and 3401, that added together give a triangular number (3486 = T₈₃).

The spelling of 853401 in words is "eight hundred fifty-three thousand, four hundred one".