406315 has 32 divisors (see below), whose sum is σ = 645120. Its totient is φ = 238464.

The previous prime is 406313. The next prime is 406327. The reversal of 406315 is 513604.

It is a cyclic number.

It is not a de Polignac number, because 406315 - 2¹ = 406313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 406292 and 406301.

It is not an unprimeable number, because it can be changed into a prime (406313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8622 + ... + 8668.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2⁴⁰⁶³¹⁵ is an apocalyptic number.

406315 is a deficient number, since it is larger than the sum of its proper divisors (238805).

406315 is a wasteful number, since it uses less digits than its factorization.

406315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 406315 is about 637.4284273548. The cubic root of 406315 is about 74.0663514943.

Adding to 406315 its reverse (513604), we get a palindrome (919919).

The spelling of 406315 in words is "four hundred six thousand, three hundred fifteen".