349500803 has 2 divisors, whose sum is σ = 349500804. Its totient is φ = 349500802.

The previous prime is 349500793. The next prime is 349500817. The reversal of 349500803 is 308005943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349500803 - 2⁴ = 349500787 is a prime.

It is a super-2 number, since 2×349500803² = 244301622595289618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349500803.

It is not a weakly prime, because it can be changed into another prime (349500103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174750401 + 174750402.

It is an arithmetic number, because the mean of its divisors is an integer number (174750402).

Almost surely, 2^349500803 is an apocalyptic number.

349500803 is a deficient number, since it is larger than the sum of its proper divisors (1).

349500803 is an equidigital number, since it uses as much as digits as its factorization.

349500803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 349500803 is about 18694.9405722511. The cubic root of 349500803 is about 704.3946670870.

The spelling of 349500803 in words is "three hundred forty-nine million, five hundred thousand, eight hundred three".