854215 has 4 divisors (see below), whose sum is σ = 1025064. Its totient is φ = 683368.

The previous prime is 854213. The next prime is 854257. The reversal of 854215 is 512458.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 854215 - 2¹ = 854213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 854215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854213) 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, 85417 + ... + 85426.

It is an arithmetic number, because the mean of its divisors is an integer number (256266).

2⁸⁵⁴²¹⁵ is an apocalyptic number.

854215 is a deficient number, since it is larger than the sum of its proper divisors (170849).

854215 is a wasteful number, since it uses less digits than its factorization.

854215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170848.

The product of its digits is 1600, while the sum is 25.

The square root of 854215 is about 924.2375235836. The cubic root of 854215 is about 94.8831434827.

The spelling of 854215 in words is "eight hundred fifty-four thousand, two hundred fifteen".