404812332 has 18 divisors (see below), whose sum is σ = 1023275708. Its totient is φ = 134937432.

The previous prime is 404812321. The next prime is 404812333. The reversal of 404812332 is 233218404.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 404812296 and 404812305.

It is not an unprimeable number, because it can be changed into a prime (404812333) 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 5 ways as a sum of consecutive naturals, for example, 5622358 + ... + 5622429.

Almost surely, 2^404812332 is an apocalyptic number.

It is an amenable number.

404812332 is an abundant number, since it is smaller than the sum of its proper divisors (618463376).

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

404812332 is a wasteful number, since it uses less digits than its factorization.

404812332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244797 (or 11244792 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 404812332 is about 20119.9486082843. The cubic root of 404812332 is about 739.7493258561.

The spelling of 404812332 in words is "four hundred four million, eight hundred twelve thousand, three hundred thirty-two".