349557 has 8 divisors (see below), whose sum is σ = 501984. Its totient is φ = 215088.

The previous prime is 349553. The next prime is 349567. The reversal of 349557 is 755943.

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

It is not a de Polignac number, because 349557 - 2² = 349553 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 349557.

It is not an unprimeable number, because it can be changed into a prime (349553) 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, 4443 + ... + 4520.

It is an arithmetic number, because the mean of its divisors is an integer number (62748).

2³⁴⁹⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

349557 is a deficient number, since it is larger than the sum of its proper divisors (152427).

349557 is a wasteful number, since it uses less digits than its factorization.

349557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8979.

The product of its digits is 18900, while the sum is 33.

The square root of 349557 is about 591.2334564282. The cubic root of 349557 is about 70.4432418784.

It can be divided in two parts, 34 and 9557, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 349557 in words is "three hundred forty-nine thousand, five hundred fifty-seven".