406835 has 16 divisors (see below), whose sum is σ = 574560. Its totient is φ = 272640.

The previous prime is 406817. The next prime is 406837. The reversal of 406835 is 538604.

It is not a de Polignac number, because 406835 - 2⁸ = 406579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2⁴⁰⁶⁸³⁵ is an apocalyptic number.

406835 is a deficient number, since it is larger than the sum of its proper divisors (167725).

406835 is a wasteful number, since it uses less digits than its factorization.

406835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

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

The square root of 406835 is about 637.8361858659. The cubic root of 406835 is about 74.0979346127.

Subtracting 406835 from its reverse (538604), we obtain a square (131769 = 363²).

The spelling of 406835 in words is "four hundred six thousand, eight hundred thirty-five".