404863038 has 48 divisors (see below), whose sum is σ = 908608896. Its totient is φ = 130152960.

The previous prime is 404863033. The next prime is 404863051. The reversal of 404863038 is 830368404.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 404862993 and 404863011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404863033) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 186970 + ... + 189122.

It is an arithmetic number, because the mean of its divisors is an integer number (18929352).

Almost surely, 2^404863038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404863038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454304448).

404863038 is an abundant number, since it is smaller than the sum of its proper divisors (503745858).

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

404863038 is a wasteful number, since it uses less digits than its factorization.

404863038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529 (or 2526 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 404863038 is about 20121.2086615094. The cubic root of 404863038 is about 739.7802110839.

The spelling of 404863038 in words is "four hundred four million, eight hundred sixty-three thousand, thirty-eight".