191349 has 16 divisors (see below), whose sum is σ = 299200. Its totient is φ = 120528.

The previous prime is 191341. The next prime is 191353. The reversal of 191349 is 943191.

191349 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 191349 - 2³ = 191341 is a prime.

It is a super-2 number, since 2×191349² = 73228879602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (18700).

2¹⁹¹³⁴⁹ is an apocalyptic number.

191349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

191349 is a deficient number, since it is larger than the sum of its proper divisors (107851).

191349 is a wasteful number, since it uses less digits than its factorization.

191349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 395 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 191349 is about 437.4345665354. The cubic root of 191349 is about 57.6247072823.

The spelling of 191349 in words is "one hundred ninety-one thousand, three hundred forty-nine".