189967752 has 96 divisors (see below), whose sum is σ = 572033280. Its totient is φ = 56557440.

The previous prime is 189967733. The next prime is 189967753. The reversal of 189967752 is 257769981.

It is not an unprimeable number, because it can be changed into a prime (189967753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25743 + ... + 32289.

It is an arithmetic number, because the mean of its divisors is an integer number (5958680).

Almost surely, 2^189967752 is an apocalyptic number.

189967752 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 189967752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286016640).

189967752 is an abundant number, since it is smaller than the sum of its proper divisors (382065528).

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

189967752 is a wasteful number, since it uses less digits than its factorization.

189967752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603 (or 6596 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 189967752 is about 13782.8789445457. The cubic root of 189967752 is about 574.8571814168.

The spelling of 189967752 in words is "one hundred eighty-nine million, nine hundred sixty-seven thousand, seven hundred fifty-two".