349693 has 4 divisors (see below), whose sum is σ = 355680. Its totient is φ = 343708.

The previous prime is 349667. The next prime is 349697. The reversal of 349693 is 396943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 349693 - 2¹³ = 341501 is a prime.

It is a Duffinian number.

349693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349697) 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 3 ways as a sum of consecutive naturals, for example, 2905 + ... + 3022.

It is an arithmetic number, because the mean of its divisors is an integer number (88920).

2³⁴⁹⁶⁹³ is an apocalyptic number.

It is an amenable number.

349693 is a deficient number, since it is larger than the sum of its proper divisors (5987).

349693 is an equidigital number, since it uses as much as digits as its factorization.

349693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986.

The product of its digits is 17496, while the sum is 34.

The square root of 349693 is about 591.3484590324. The cubic root of 349693 is about 70.4523763341.

The spelling of 349693 in words is "three hundred forty-nine thousand, six hundred ninety-three".