406082 has 8 divisors (see below), whose sum is σ = 612156. Its totient is φ = 202032.

The previous prime is 406073. The next prime is 406093. The reversal of 406082 is 280604.

It can be written as a sum of positive squares in 2 ways, for example, as 398161 + 7921 = 631^2 + 89^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

406082 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188 + ... + 920.

2⁴⁰⁶⁰⁸² is an apocalyptic number.

406082 is a deficient number, since it is larger than the sum of its proper divisors (206074).

406082 is a wasteful number, since it uses less digits than its factorization.

406082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 406082 is about 637.2456355284. The cubic root of 406082 is about 74.0521910853.

Adding to 406082 its reverse (280604), we get a palindrome (686686).

The spelling of 406082 in words is "four hundred six thousand, eighty-two".