349907 has 2 divisors, whose sum is σ = 349908. Its totient is φ = 349906.

The previous prime is 349903. The next prime is 349913. The reversal of 349907 is 709943.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349907 - 2² = 349903 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (349903) 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, 174953 + 174954.

It is an arithmetic number, because the mean of its divisors is an integer number (174954).

2³⁴⁹⁹⁰⁷ is an apocalyptic number.

349907 is a deficient number, since it is larger than the sum of its proper divisors (1).

349907 is an equidigital number, since it uses as much as digits as its factorization.

349907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 349907 is about 591.5293737423. The cubic root of 349907 is about 70.4667448746.

The spelling of 349907 in words is "three hundred forty-nine thousand, nine hundred seven".