349797 has 8 divisors (see below), whose sum is σ = 533056. Its totient is φ = 199872.

The previous prime is 349793. The next prime is 349801. The reversal of 349797 is 797943.

It is an interprime number because it is at equal distance from previous prime (349793) and next prime (349801).

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

It is not a de Polignac number, because 349797 - 2² = 349793 is a prime.

It is an Ulam number.

It is a Duffinian number.

349797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8308 + ... + 8349.

It is an arithmetic number, because the mean of its divisors is an integer number (66632).

2³⁴⁹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

349797 is a deficient number, since it is larger than the sum of its proper divisors (183259).

349797 is a wasteful number, since it uses less digits than its factorization.

349797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16667.

The product of its digits is 47628, while the sum is 39.

The square root of 349797 is about 591.4363871119. The cubic root of 349797 is about 70.4593599081.

The spelling of 349797 in words is "three hundred forty-nine thousand, seven hundred ninety-seven".