349624843 has 4 divisors (see below), whose sum is σ = 349677520. Its totient is φ = 349572168.

The previous prime is 349624741. The next prime is 349624853. The reversal of 349624843 is 348426943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348426943 = 277 ⋅1257859.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349624843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 349624843.

It is not an unprimeable number, because it can be changed into a prime (349624853) 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, 14655 + ... + 30232.

It is an arithmetic number, because the mean of its divisors is an integer number (87419380).

Almost surely, 2^349624843 is an apocalyptic number.

349624843 is a deficient number, since it is larger than the sum of its proper divisors (52677).

349624843 is an equidigital number, since it uses as much as digits as its factorization.

349624843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52676.

The product of its digits is 497664, while the sum is 43.

The square root of 349624843 is about 18698.2577530635. The cubic root of 349624843 is about 704.4779885743.

The spelling of 349624843 in words is "three hundred forty-nine million, six hundred twenty-four thousand, eight hundred forty-three".