349303 has 2 divisors, whose sum is σ = 349304. Its totient is φ = 349302.

The previous prime is 349291. The next prime is 349313. The reversal of 349303 is 303943.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349313) 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 as a sum of consecutive naturals, namely, 174651 + 174652.

It is an arithmetic number, because the mean of its divisors is an integer number (174652).

2³⁴⁹³⁰³ is an apocalyptic number.

349303 is a deficient number, since it is larger than the sum of its proper divisors (1).

349303 is an equidigital number, since it uses as much as digits as its factorization.

349303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 349303 is about 591.0186122281. The cubic root of 349303 is about 70.4261755927.

Subtracting from 349303 its sum of digits (22), we obtain a square (349281 = 591²).

The spelling of 349303 in words is "three hundred forty-nine thousand, three hundred three".