349644593 has 8 divisors (see below), whose sum is σ = 389697120. Its totient is φ = 311757120.

The previous prime is 349644587. The next prime is 349644601. The reversal of 349644593 is 395446943.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349644593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (349644193) 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, 540923 + ... + 541568.

It is an arithmetic number, because the mean of its divisors is an integer number (48712140).

Almost surely, 2^349644593 is an apocalyptic number.

It is an amenable number.

349644593 is a deficient number, since it is larger than the sum of its proper divisors (40052527).

349644593 is a wasteful number, since it uses less digits than its factorization.

349644593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082527.

The product of its digits is 1399680, while the sum is 47.

The square root of 349644593 is about 18698.7858696761. The cubic root of 349644593 is about 704.4912534386.

The spelling of 349644593 in words is "three hundred forty-nine million, six hundred forty-four thousand, five hundred ninety-three".