1889480304 has 80 divisors (see below), whose sum is σ = 5430723840. Its totient is φ = 628989120.

The previous prime is 1889480273. The next prime is 1889480311. The reversal of 1889480304 is 4030849881.

1889480304 is a `hidden beast` number, since 188 + 94 + 80 + 304 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1889480304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380719 + ... + 385649.

It is an arithmetic number, because the mean of its divisors is an integer number (67884048).

Almost surely, 2^1889480304 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 1889480304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2715361920).

1889480304 is an abundant number, since it is smaller than the sum of its proper divisors (3541243536).

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

1889480304 is a wasteful number, since it uses less digits than its factorization.

1889480304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835 (or 5823 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1889480304 is about 43468.1527557820. The cubic root of 1889480304 is about 1236.2722559834.

The spelling of 1889480304 in words is "one billion, eight hundred eighty-nine million, four hundred eighty thousand, three hundred four".