191372 has 6 divisors (see below), whose sum is σ = 334908. Its totient is φ = 95684.

The previous prime is 191353. The next prime is 191413. The reversal of 191372 is 273191.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23918 + ... + 23925.

It is an arithmetic number, because the mean of its divisors is an integer number (55818).

2¹⁹¹³⁷² is an apocalyptic number.

It is an amenable number.

191372 is a deficient number, since it is larger than the sum of its proper divisors (143536).

191372 is a wasteful number, since it uses less digits than its factorization.

191372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47847 (or 47845 counting only the distinct ones).

The product of its digits is 378, while the sum is 23.

The square root of 191372 is about 437.4608553917. The cubic root of 191372 is about 57.6270160047.

The spelling of 191372 in words is "one hundred ninety-one thousand, three hundred seventy-two".