853398 has 48 divisors (see below), whose sum is σ = 2280096. Its totient is φ = 224640.

The previous prime is 853387. The next prime is 853403. The reversal of 853398 is 893358.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1378 + ... + 1898.

It is an arithmetic number, because the mean of its divisors is an integer number (47502).

2⁸⁵³³⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140048).

853398 is an abundant number, since it is smaller than the sum of its proper divisors (1426698).

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

853398 is a wasteful number, since it uses less digits than its factorization.

853398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 546 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 853398 is about 923.7954319004. The cubic root of 853398 is about 94.8528840221.

The spelling of 853398 in words is "eight hundred fifty-three thousand, three hundred ninety-eight".