408522 has 8 divisors (see below), whose sum is σ = 817056. Its totient is φ = 136172.

The previous prime is 408497. The next prime is 408533. The reversal of 408522 is 225804.

408522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

408522 is an admirable number.

It is an unprimeable number.

408522 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 3 ways as a sum of consecutive naturals, for example, 34038 + ... + 34049.

It is an arithmetic number, because the mean of its divisors is an integer number (102132).

2⁴⁰⁸⁵²² is an apocalyptic number.

408522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

408522 is a wasteful number, since it uses less digits than its factorization.

408522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68092.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 408522 is about 639.1572576448. The cubic root of 408522 is about 74.2002126298.

The spelling of 408522 in words is "four hundred eight thousand, five hundred twenty-two".