383784389604 has 288 divisors, whose sum is σ = 1255426099200. Its totient is φ = 99594696960.

The previous prime is 383784389591. The next prime is 383784389621. The reversal of 383784389604 is 406983487383.

It is a super-3 number, since 3×383784389604³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 140630512 + ... + 140633240.

It is an arithmetic number, because the mean of its divisors is an integer number (4359118400).

Almost surely, 2^383784389604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383784389604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627713049600).

383784389604 is an abundant number, since it is smaller than the sum of its proper divisors (871641709596).

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

383784389604 is a wasteful number, since it uses less digits than its factorization.

383784389604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645 (or 4631 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 383784389604 in words is "three hundred eighty-three billion, seven hundred eighty-four million, three hundred eighty-nine thousand, six hundred four".