406534 has 16 divisors (see below), whose sum is σ = 645120. Its totient is φ = 191880.

The previous prime is 406531. The next prime is 406547. The reversal of 406534 is 435604.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4857 + ... + 4939.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2⁴⁰⁶⁵³⁴ is an apocalyptic number.

406534 is a deficient number, since it is larger than the sum of its proper divisors (238586).

406534 is a wasteful number, since it uses less digits than its factorization.

406534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 406534 is about 637.6001882057. The cubic root of 406534 is about 74.0796561287.

The spelling of 406534 in words is "four hundred six thousand, five hundred thirty-four".