349591 has 8 divisors (see below), whose sum is σ = 388368. Its totient is φ = 312000.

The previous prime is 349589. The next prime is 349603. The reversal of 349591 is 195943.

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 349591 - 2¹ = 349589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349291) 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, 411 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (48546).

2³⁴⁹⁵⁹¹ is an apocalyptic number.

349591 is a deficient number, since it is larger than the sum of its proper divisors (38777).

349591 is a wasteful number, since it uses less digits than its factorization.

349591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its digits is 4860, while the sum is 31.

The square root of 349591 is about 591.2622091763. The cubic root of 349591 is about 70.4455257144.

It can be divided in two parts, 3 and 49591, that added together give a palindrome (49594).

The spelling of 349591 in words is "three hundred forty-nine thousand, five hundred ninety-one".