404423332 has 6 divisors (see below), whose sum is σ = 707740838. Its totient is φ = 202211664.

The previous prime is 404423321. The next prime is 404423333. The reversal of 404423332 is 233324404.

It can be written as a sum of positive squares in only one way, i.e., 351337536 + 53085796 = 18744^2 + 7286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404423297 and 404423306.

It is not an unprimeable number, because it can be changed into a prime (404423333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50552913 + ... + 50552920.

Almost surely, 2^404423332 is an apocalyptic number.

It is an amenable number.

404423332 is a deficient number, since it is larger than the sum of its proper divisors (303317506).

404423332 is a wasteful number, since it uses less digits than its factorization.

404423332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101105837 (or 101105835 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 404423332 is about 20110.2792621087. The cubic root of 404423332 is about 739.5122985653.

Adding to 404423332 its reverse (233324404), we get a palindrome (637747736).

The spelling of 404423332 in words is "four hundred four million, four hundred twenty-three thousand, three hundred thirty-two".