349913613 has 8 divisors (see below), whose sum is σ = 533201728. Its totient is φ = 199950624.

The previous prime is 349913611. The next prime is 349913617. The reversal of 349913613 is 316319943.

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

It is not a de Polignac number, because 349913613 - 2¹ = 349913611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349913611) 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 7 ways as a sum of consecutive naturals, for example, 8331256 + ... + 8331297.

It is an arithmetic number, because the mean of its divisors is an integer number (66650216).

Almost surely, 2^349913613 is an apocalyptic number.

It is an amenable number.

349913613 is a deficient number, since it is larger than the sum of its proper divisors (183288115).

349913613 is a wasteful number, since it uses less digits than its factorization.

349913613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16662563.

The product of its digits is 52488, while the sum is 39.

The square root of 349913613 is about 18705.9780016977. The cubic root of 349913613 is about 704.6718879598.

The spelling of 349913613 in words is "three hundred forty-nine million, nine hundred thirteen thousand, six hundred thirteen".