349599 has 4 divisors (see below), whose sum is σ = 466136. Its totient is φ = 233064.

The previous prime is 349589. The next prime is 349603. The reversal of 349599 is 995943.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 349599 - 2⁵ = 349567 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58264 + ... + 58269.

It is an arithmetic number, because the mean of its divisors is an integer number (116534).

2³⁴⁹⁵⁹⁹ is an apocalyptic number.

349599 is a deficient number, since it is larger than the sum of its proper divisors (116537).

349599 is a wasteful number, since it uses less digits than its factorization.

349599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116536.

The product of its digits is 43740, while the sum is 39.

The square root of 349599 is about 591.2689743256. The cubic root of 349599 is about 70.4460630661.

The spelling of 349599 in words is "three hundred forty-nine thousand, five hundred ninety-nine".