349881 has 8 divisors (see below), whose sum is σ = 533184. Its totient is φ = 199920.

The previous prime is 349871. The next prime is 349903. The reversal of 349881 is 188943.

349881 is nontrivially palindromic in base 13.

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

It is not a de Polignac number, because 349881 - 2⁵ = 349849 is a prime.

It is a super-2 number, since 2×349881² = 244833428322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8310 + ... + 8351.

It is an arithmetic number, because the mean of its divisors is an integer number (66648).

2³⁴⁹⁸⁸¹ is an apocalyptic number.

It is an amenable number.

349881 is a deficient number, since it is larger than the sum of its proper divisors (183303).

349881 is a wasteful number, since it uses less digits than its factorization.

349881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16671.

The product of its digits is 6912, while the sum is 33.

The square root of 349881 is about 591.5073964035. The cubic root of 349881 is about 70.4649994767.

The spelling of 349881 in words is "three hundred forty-nine thousand, eight hundred eighty-one".