406323822 has 8 divisors (see below), whose sum is σ = 812647656. Its totient is φ = 135441272.

The previous prime is 406323809. The next prime is 406323829. The reversal of 406323822 is 228323604.

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

406323822 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 406323822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406323829) by changing a digit.

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, 33860313 + ... + 33860324.

It is an arithmetic number, because the mean of its divisors is an integer number (101580957).

Almost surely, 2^406323822 is an apocalyptic number.

406323822 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.

406323822 is a wasteful number, since it uses less digits than its factorization.

406323822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67720642.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 406323822 is about 20157.4755859954. The cubic root of 406323822 is about 740.6688753868.

The spelling of 406323822 in words is "four hundred six million, three hundred twenty-three thousand, eight hundred twenty-two".