349023605 has 8 divisors (see below), whose sum is σ = 478660992. Its totient is φ = 239330448.

The previous prime is 349023589. The next prime is 349023629. The reversal of 349023605 is 506320943.

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

It is not a de Polignac number, because 349023605 - 2⁴ = 349023589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4986017 + ... + 4986086.

It is an arithmetic number, because the mean of its divisors is an integer number (59832624).

Almost surely, 2^349023605 is an apocalyptic number.

349023605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

349023605 is a deficient number, since it is larger than the sum of its proper divisors (129637387).

349023605 is an equidigital number, since it uses as much as digits as its factorization.

349023605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972115.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 349023605 is about 18682.1734549276. The cubic root of 349023605 is about 704.0739345614.

The spelling of 349023605 in words is "three hundred forty-nine million, twenty-three thousand, six hundred five".