191480 has 16 divisors (see below), whose sum is σ = 430920. Its totient is φ = 76576.

The previous prime is 191473. The next prime is 191491. The reversal of 191480 is 84191.

It is a congruent number.

It is an unprimeable number.

191480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354 + ... + 2433.

2¹⁹¹⁴⁸⁰ is an apocalyptic number.

191480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

191480 is an abundant number, since it is smaller than the sum of its proper divisors (239440).

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

191480 is a wasteful number, since it uses less digits than its factorization.

191480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4798 (or 4794 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 191480 is about 437.5842775969. The cubic root of 191480 is about 57.6378544892.

The spelling of 191480 in words is "one hundred ninety-one thousand, four hundred eighty".