191952 has 60 divisors (see below), whose sum is σ = 567424. Its totient is φ = 60480.
The previous prime is 191929. The next prime is 191953. The reversal of 191952 is 259191.
It is a happy number.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (191953) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4443 + ... + 4485.
2191952 is an apocalyptic number.
191952 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 191952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283712).
191952 is an abundant number, since it is smaller than the sum of its proper divisors (375472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
191952 is a wasteful number, since it uses less digits than its factorization.
191952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88 (or 79 counting only the distinct ones).
The product of its digits is 810, while the sum is 27.
The square root of 191952 is about 438.1232703247. The cubic root of 191952 is about 57.6851749130.
The spelling of 191952 in words is "one hundred ninety-one thousand, nine hundred fifty-two".
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