406235 has 8 divisors (see below), whose sum is σ = 492480. Its totient is φ = 321664.

The previous prime is 406207. The next prime is 406247. The reversal of 406235 is 532604.

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 406235 - 2⁶ = 406171 is a prime.

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, 206 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2⁴⁰⁶²³⁵ is an apocalyptic number.

406235 is a deficient number, since it is larger than the sum of its proper divisors (86245).

406235 is a wasteful number, since it uses less digits than its factorization.

406235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 406235 is about 637.3656721224. The cubic root of 406235 is about 74.0614901617.

Adding to 406235 its reverse (532604), we get a palindrome (938839).

The spelling of 406235 in words is "four hundred six thousand, two hundred thirty-five".