349716503 has 8 divisors (see below), whose sum is σ = 370503072. Its totient is φ = 328953856.

The previous prime is 349716473. The next prime is 349716509. The reversal of 349716503 is 305617943.

It is a happy number.

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 349716503 - 2⁸ = 349716247 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 (349716509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30551 + ... + 40407.

It is an arithmetic number, because the mean of its divisors is an integer number (46312884).

Almost surely, 2^349716503 is an apocalyptic number.

349716503 is a deficient number, since it is larger than the sum of its proper divisors (20786569).

349716503 is a wasteful number, since it uses less digits than its factorization.

349716503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11961.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 349716503 is about 18700.7086229373. The cubic root of 349716503 is about 704.5395467574.

The spelling of 349716503 in words is "three hundred forty-nine million, seven hundred sixteen thousand, five hundred three".