188789952 has 112 divisors (see below), whose sum is σ = 550753280. Its totient is φ = 56706048.

The previous prime is 188789941. The next prime is 188789959. The reversal of 188789952 is 259987881.

It is a junction number, because it is equal to n+sod(n) for n = 188789892 and 188789901.

It is not an unprimeable number, because it can be changed into a prime (188789959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106449 + ... + 108207.

It is an arithmetic number, because the mean of its divisors is an integer number (4917440).

Almost surely, 2^188789952 is an apocalyptic number.

188789952 is a gapful number since it is divisible by the number (12) 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 188789952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275376640).

188789952 is an abundant number, since it is smaller than the sum of its proper divisors (361963328).

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

188789952 is a wasteful number, since it uses less digits than its factorization.

188789952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1820 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 57.

The square root of 188789952 is about 13740.0855892531. The cubic root of 188789952 is about 573.6666795340. Note that the first 4 decimals are identical.

The spelling of 188789952 in words is "one hundred eighty-eight million, seven hundred eighty-nine thousand, nine hundred fifty-two".