1884421056 has 168 divisors, whose sum is σ = 5891905920. Its totient is φ = 520680960.

The previous prime is 1884421043. The next prime is 1884421057. The reversal of 1884421056 is 6501244881.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1884421057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1290855 + ... + 1292313.

Almost surely, 2^1884421056 is an apocalyptic number.

1884421056 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 1884421056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2945952960).

1884421056 is an abundant number, since it is smaller than the sum of its proper divisors (4007484864).

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

1884421056 is a wasteful number, since it uses less digits than its factorization.

1884421056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 1884421056 is about 43409.9188665448. The cubic root of 1884421056 is about 1235.1678608290.

It can be divided in two parts, 188 and 4421056, that added together give a palindrome (4421244).

The spelling of 1884421056 in words is "one billion, eight hundred eighty-four million, four hundred twenty-one thousand, fifty-six".