348391905 has 8 divisors (see below), whose sum is σ = 557427072. Its totient is φ = 185809008.

The previous prime is 348391903. The next prime is 348391913. The reversal of 348391905 is 509193843.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 348391905 - 2¹ = 348391903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (348391903) 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 in 7 ways as a sum of consecutive naturals, for example, 11613049 + ... + 11613078.

It is an arithmetic number, because the mean of its divisors is an integer number (69678384).

Almost surely, 2^348391905 is an apocalyptic number.

It is an amenable number.

348391905 is a deficient number, since it is larger than the sum of its proper divisors (209035167).

348391905 is a wasteful number, since it uses less digits than its factorization.

348391905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23226135.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 348391905 is about 18665.2593070656. The cubic root of 348391905 is about 703.6489087704.

The spelling of 348391905 in words is "three hundred forty-eight million, three hundred ninety-one thousand, nine hundred five".