1904223776 has 192 divisors, whose sum is σ = 4913233920. Its totient is φ = 705438720.

The previous prime is 1904223749. The next prime is 1904223779. The reversal of 1904223776 is 6773224091.

It is not an unprimeable number, because it can be changed into a prime (1904223779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7026521 + ... + 7026791.

It is an arithmetic number, because the mean of its divisors is an integer number (25589760).

Almost surely, 2^1904223776 is an apocalyptic number.

1904223776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1904223776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2456616960).

1904223776 is an abundant number, since it is smaller than the sum of its proper divisors (3009010144).

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

1904223776 is a wasteful number, since it uses less digits than its factorization.

1904223776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 1904223776 is about 43637.4125722413. The cubic root of 1904223776 is about 1239.4794415738.

The spelling of 1904223776 in words is "one billion, nine hundred four million, two hundred twenty-three thousand, seven hundred seventy-six".