408000822 has 8 divisors (see below), whose sum is σ = 816001656. Its totient is φ = 136000272.

The previous prime is 408000811. The next prime is 408000823. The reversal of 408000822 is 228000804.

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

408000822 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 408000792 and 408000801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408000823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34000063 + ... + 34000074.

It is an arithmetic number, because the mean of its divisors is an integer number (102000207).

Almost surely, 2^408000822 is an apocalyptic number.

408000822 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.

408000822 is a wasteful number, since it uses less digits than its factorization.

408000822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68000142.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 408000822 is about 20199.0302242459. The cubic root of 408000822 is about 741.6864519459.

The spelling of 408000822 in words is "four hundred eight million, eight hundred twenty-two", and thus it is an aban number.