349785743 has 8 divisors (see below), whose sum is σ = 357548256. Its totient is φ = 342066400.

The previous prime is 349785739. The next prime is 349785757. The reversal of 349785743 is 347587943.

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

It is a cyclic number.

It is not a de Polignac number, because 349785743 - 2² = 349785739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349785691 and 349785700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349785143) 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, 5873 + ... + 27093.

It is an arithmetic number, because the mean of its divisors is an integer number (44693532).

Almost surely, 2^349785743 is an apocalyptic number.

349785743 is a deficient number, since it is larger than the sum of its proper divisors (7762513).

349785743 is a wasteful number, since it uses less digits than its factorization.

349785743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21585.

The product of its digits is 2540160, while the sum is 50.

The square root of 349785743 is about 18702.5597980597. The cubic root of 349785743 is about 704.5860407020.

The spelling of 349785743 in words is "three hundred forty-nine million, seven hundred eighty-five thousand, seven hundred forty-three".