383641404 has 24 divisors (see below), whose sum is σ = 895515600. Its totient is φ = 127830144.

The previous prime is 383641381. The next prime is 383641409. The reversal of 383641404 is 404146383.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383641409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37872 + ... + 46920.

It is an arithmetic number, because the mean of its divisors is an integer number (37313150).

Almost surely, 2^383641404 is an apocalyptic number.

It is an amenable number.

383641404 is an abundant number, since it is smaller than the sum of its proper divisors (511874196).

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

383641404 is a wasteful number, since it uses less digits than its factorization.

383641404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12589 (or 12587 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 383641404 is about 19586.7660424073. The cubic root of 383641404 is about 726.6219124398.

Adding to 383641404 its reverse (404146383), we get a palindrome (787787787).

The spelling of 383641404 in words is "three hundred eighty-three million, six hundred forty-one thousand, four hundred four".