406155 has 8 divisors (see below), whose sum is σ = 649872. Its totient is φ = 216608.

The previous prime is 406123. The next prime is 406169. The reversal of 406155 is 551604.

It is a happy number.

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 406155 - 2⁵ = 406123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13524 + ... + 13553.

It is an arithmetic number, because the mean of its divisors is an integer number (81234).

2⁴⁰⁶¹⁵⁵ is an apocalyptic number.

406155 is a deficient number, since it is larger than the sum of its proper divisors (243717).

406155 is a wasteful number, since it uses less digits than its factorization.

406155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27085.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 406155 is about 637.3029107104. The cubic root of 406155 is about 74.0566281909.

Adding to 406155 its reverse (551604), we get a palindrome (957759).

It can be divided in two parts, 406 and 155, that added together give a triangular number (561 = T₃₃).

The spelling of 406155 in words is "four hundred six thousand, one hundred fifty-five".