349327903 has 4 divisors (see below), whose sum is σ = 349420960. Its totient is φ = 349234848.

The previous prime is 349327889. The next prime is 349327919. The reversal of 349327903 is 309723943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349327903 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 (349327963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40650 + ... + 48487.

It is an arithmetic number, because the mean of its divisors is an integer number (87355240).

Almost surely, 2^349327903 is an apocalyptic number.

349327903 is a deficient number, since it is larger than the sum of its proper divisors (93057).

349327903 is an equidigital number, since it uses as much as digits as its factorization.

349327903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93056.

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 349327903 is about 18690.3157544221. The cubic root of 349327903 is about 704.2784919349.

The spelling of 349327903 in words is "three hundred forty-nine million, three hundred twenty-seven thousand, nine hundred three".