349805542 has 8 divisors (see below), whose sum is σ = 552324600. Its totient is φ = 165697344.

The previous prime is 349805539. The next prime is 349805567. The reversal of 349805542 is 245508943.

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

It is a junction number, because it is equal to n+sod(n) for n = 349805495 and 349805504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4602667 + ... + 4602742.

It is an arithmetic number, because the mean of its divisors is an integer number (69040575).

Almost surely, 2^349805542 is an apocalyptic number.

349805542 is a deficient number, since it is larger than the sum of its proper divisors (202519058).

349805542 is a wasteful number, since it uses less digits than its factorization.

349805542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9205430.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 349805542 is about 18703.0891031402. The cubic root of 349805542 is about 704.5993343978.

The spelling of 349805542 in words is "three hundred forty-nine million, eight hundred five thousand, five hundred forty-two".