349191 has 14 divisors (see below), whose sum is σ = 524640. Its totient is φ = 232308.

The previous prime is 349187. The next prime is 349199. The reversal of 349191 is 191943.

It is not a de Polignac number, because 349191 - 2² = 349187 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349199) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 490 + ... + 968.

349191 is a Friedman number, since it can be written as 4311*9*9, using all its digits and the basic arithmetic operations.

2³⁴⁹¹⁹¹ is an apocalyptic number.

349191 is a deficient number, since it is larger than the sum of its proper divisors (175449).

349191 is an frugal number, since it uses more digits than its factorization.

349191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 482 counting only the distinct ones).

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

The square root of 349191 is about 590.9238529625. The cubic root of 349191 is about 70.4186476729.

It can be divided in two parts, 3 and 49191, that added together give a palindrome (49194).

The spelling of 349191 in words is "three hundred forty-nine thousand, one hundred ninety-one".