303349 has 4 divisors (see below), whose sum is σ = 304480. Its totient is φ = 302220.

The previous prime is 303341. The next prime is 303361. The reversal of 303349 is 943303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 303349 - 2³ = 303341 is a prime.

It is a Duffinian number.

303349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303341) 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, 94 + ... + 784.

It is an arithmetic number, because the mean of its divisors is an integer number (76120).

2³⁰³³⁴⁹ is an apocalyptic number.

It is an amenable number.

303349 is a deficient number, since it is larger than the sum of its proper divisors (1131).

303349 is an equidigital number, since it uses as much as digits as its factorization.

303349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130.

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

The square root of 303349 is about 550.7712773920. The cubic root of 303349 is about 67.1914772118.

The spelling of 303349 in words is "three hundred three thousand, three hundred forty-nine".