406853 has 4 divisors (see below), whose sum is σ = 409920. Its totient is φ = 403788.

The previous prime is 406837. The next prime is 406859. The reversal of 406853 is 358604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406853 - 2⁴ = 406837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406859) 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, 1325 + ... + 1602.

It is an arithmetic number, because the mean of its divisors is an integer number (102480).

2⁴⁰⁶⁸⁵³ is an apocalyptic number.

It is an amenable number.

406853 is a deficient number, since it is larger than the sum of its proper divisors (3067).

406853 is a wasteful number, since it uses less digits than its factorization.

406853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 406853 is about 637.8502959159. The cubic root of 406853 is about 74.0990273924.

The spelling of 406853 in words is "four hundred six thousand, eight hundred fifty-three".