404352212 has 24 divisors (see below), whose sum is σ = 777591360. Its totient is φ = 182452160.

The previous prime is 404352197. The next prime is 404352217. The reversal of 404352212 is 212253404.

It is a happy number.

It is a super-2 number, since 2×404352212² = 327001422698585888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404352217) 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, 27512 + ... + 39567.

It is an arithmetic number, because the mean of its divisors is an integer number (32399640).

Almost surely, 2^404352212 is an apocalyptic number.

It is an amenable number.

404352212 is a deficient number, since it is larger than the sum of its proper divisors (373239148).

404352212 is a wasteful number, since it uses less digits than its factorization.

404352212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67231 (or 67229 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 404352212 is about 20108.5109344277. The cubic root of 404352212 is about 739.4689469633.

The spelling of 404352212 in words is "four hundred four million, three hundred fifty-two thousand, two hundred twelve".