853995 has 24 divisors (see below), whose sum is σ = 1458864. Its totient is φ = 426496.

The previous prime is 853981. The next prime is 853999. The reversal of 853995 is 599358.

It is not a de Polignac number, because 853995 - 2⁸ = 853739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (853999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4237 + ... + 4433.

It is an arithmetic number, because the mean of its divisors is an integer number (60786).

2⁸⁵³⁹⁹⁵ is an apocalyptic number.

853995 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

853995 is a deficient number, since it is larger than the sum of its proper divisors (604869).

853995 is a wasteful number, since it uses less digits than its factorization.

853995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 222 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 853995 is about 924.1184988950. The cubic root of 853995 is about 94.8749971792.

The spelling of 853995 in words is "eight hundred fifty-three thousand, nine hundred ninety-five".