191472 has 20 divisors (see below), whose sum is σ = 494760. Its totient is φ = 63808.

The previous prime is 191467. The next prime is 191473. The reversal of 191472 is 274191.

191472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 191472.

It is not an unprimeable number, because it can be changed into a prime (191473) by changing a digit.

191472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947 + ... + 2042.

It is an arithmetic number, because the mean of its divisors is an integer number (24738).

2¹⁹¹⁴⁷² is an apocalyptic number.

191472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

191472 is an abundant number, since it is smaller than the sum of its proper divisors (303288).

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

191472 is a wasteful number, since it uses less digits than its factorization.

191472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000 (or 3994 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 191472 is about 437.5751364052. The cubic root of 191472 is about 57.6370517782.

The spelling of 191472 in words is "one hundred ninety-one thousand, four hundred seventy-two".