853455 has 8 divisors (see below), whose sum is σ = 1365552. Its totient is φ = 455168.

The previous prime is 853439. The next prime is 853477. The reversal of 853455 is 554358.

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

It is a cyclic number.

It is not a de Polignac number, because 853455 - 2⁴ = 853439 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 28434 + ... + 28463.

It is an arithmetic number, because the mean of its divisors is an integer number (170694).

2⁸⁵³⁴⁵⁵ is an apocalyptic number.

853455 is a deficient number, since it is larger than the sum of its proper divisors (512097).

853455 is a wasteful number, since it uses less digits than its factorization.

853455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56905.

The product of its digits is 12000, while the sum is 30.

The square root of 853455 is about 923.8262823713. The cubic root of 853455 is about 94.8549957738.

The spelling of 853455 in words is "eight hundred fifty-three thousand, four hundred fifty-five".