1889288952 has 16 divisors (see below), whose sum is σ = 4723222440. Its totient is φ = 629762976.

The previous prime is 1889288941. The next prime is 1889288953. The reversal of 1889288952 is 2598829881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889288953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39360163 + ... + 39360210.

Almost surely, 2^1889288952 is an apocalyptic number.

1889288952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1889288952 is an abundant number, since it is smaller than the sum of its proper divisors (2833933488).

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

1889288952 is a wasteful number, since it uses less digits than its factorization.

1889288952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78720382 (or 78720378 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 60.

The square root of 1889288952 is about 43465.9516403357. The cubic root of 1889288952 is about 1236.2305211998.

The spelling of 1889288952 in words is "one billion, eight hundred eighty-nine million, two hundred eighty-eight thousand, nine hundred fifty-two".