404449212 has 24 divisors (see below), whose sum is σ = 944232016. Its totient is φ = 134742528.

The previous prime is 404449211. The next prime is 404449229. The reversal of 404449212 is 212944404.

It is a self number, because there is not a number n which added to its sum of digits gives 404449212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404449211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16428 + ... + 32844.

Almost surely, 2^404449212 is an apocalyptic number.

It is an amenable number.

404449212 is an abundant number, since it is smaller than the sum of its proper divisors (539782804).

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

404449212 is a wasteful number, since it uses less digits than its factorization.

404449212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477 (or 18475 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 404449212 is about 20110.9227038443. The cubic root of 404449212 is about 739.5280726058.

The spelling of 404449212 in words is "four hundred four million, four hundred forty-nine thousand, two hundred twelve".