853402 has 8 divisors (see below), whose sum is σ = 1396512. Its totient is φ = 387900.

The previous prime is 853387. The next prime is 853403. The reversal of 853402 is 204358.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 38791 = 853402 / (8 + 5 + 3 + 4 + 0 + 2).

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

853402 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 3 ways as a sum of consecutive naturals, for example, 19374 + ... + 19417.

It is an arithmetic number, because the mean of its divisors is an integer number (174564).

2⁸⁵³⁴⁰² is an apocalyptic number.

853402 is a deficient number, since it is larger than the sum of its proper divisors (543110).

853402 is a wasteful number, since it uses less digits than its factorization.

853402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38804.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 853402 is about 923.7975968793. The cubic root of 853402 is about 94.8530322182.

The spelling of 853402 in words is "eight hundred fifty-three thousand, four hundred two".