349783 has 8 divisors (see below), whose sum is σ = 404352. Its totient is φ = 296376.

The previous prime is 349759. The next prime is 349787. The reversal of 349783 is 387943.

349783 is nontrivially palindromic in base 6.

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 349783 - 2¹⁷ = 218711 is a prime.

It is a Duffinian number.

349783 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349787) 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, 516 + ... + 982.

It is an arithmetic number, because the mean of its divisors is an integer number (50544).

2³⁴⁹⁷⁸³ is an apocalyptic number.

349783 is a deficient number, since it is larger than the sum of its proper divisors (54569).

349783 is a wasteful number, since it uses less digits than its factorization.

349783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581.

The product of its digits is 18144, while the sum is 34.

The square root of 349783 is about 591.4245514011. The cubic root of 349783 is about 70.4584198923.

The spelling of 349783 in words is "three hundred forty-nine thousand, seven hundred eighty-three".