408126 has 16 divisors (see below), whose sum is σ = 822528. Its totient is φ = 135000.

The previous prime is 408091. The next prime is 408127. The reversal of 408126 is 621804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408127) by changing a digit.

408126 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371 + ... + 1641.

It is an arithmetic number, because the mean of its divisors is an integer number (51408).

2⁴⁰⁸¹²⁶ is an apocalyptic number.

408126 is an abundant number, since it is smaller than the sum of its proper divisors (414402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408126 is a wasteful number, since it uses less digits than its factorization.

408126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 408126 is about 638.8473996190. The cubic root of 408126 is about 74.1762296020.

The spelling of 408126 in words is "four hundred eight thousand, one hundred twenty-six".