404344212 has 12 divisors (see below), whose sum is σ = 943469856. Its totient is φ = 134781400.

The previous prime is 404344181. The next prime is 404344223. The reversal of 404344212 is 212443404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 16847664 + ... + 16847687.

It is an arithmetic number, because the mean of its divisors is an integer number (78622488).

Almost surely, 2^404344212 is an apocalyptic number.

It is an amenable number.

404344212 is an abundant number, since it is smaller than the sum of its proper divisors (539125644).

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

404344212 is a wasteful number, since it uses less digits than its factorization.

404344212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33695358 (or 33695356 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 404344212 is about 20108.3120126976. The cubic root of 404344212 is about 739.4640701996.

Adding to 404344212 its reverse (212443404), we get a palindrome (616787616).

The spelling of 404344212 in words is "four hundred four million, three hundred forty-four thousand, two hundred twelve".