349181 has 8 divisors (see below), whose sum is σ = 404544. Its totient is φ = 295200.

The previous prime is 349177. The next prime is 349183. The reversal of 349181 is 181943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349181 - 2² = 349177 is a prime.

It is a super-2 number, since 2×349181² = 243854741522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 349181.

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 349181.

It is not an unprimeable number, because it can be changed into a prime (349183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281 + ... + 881.

It is an arithmetic number, because the mean of its divisors is an integer number (50568).

2³⁴⁹¹⁸¹ is an apocalyptic number.

It is an amenable number.

349181 is a deficient number, since it is larger than the sum of its proper divisors (55363).

349181 is an equidigital number, since it uses as much as digits as its factorization.

349181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its digits is 864, while the sum is 26.

The square root of 349181 is about 590.9153915748. The cubic root of 349181 is about 70.4179754589.

The spelling of 349181 in words is "three hundred forty-nine thousand, one hundred eighty-one".