349650385 has 16 divisors (see below), whose sum is σ = 484273152. Its totient is φ = 237384000.

The previous prime is 349650359. The next prime is 349650409. The reversal of 349650385 is 583056943.

It is not a de Polignac number, because 349650385 - 2¹⁹ = 349126097 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 45921 + ... + 52990.

It is an arithmetic number, because the mean of its divisors is an integer number (30267072).

Almost surely, 2^349650385 is an apocalyptic number.

349650385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

349650385 is a deficient number, since it is larger than the sum of its proper divisors (134622767).

349650385 is a wasteful number, since it uses less digits than its factorization.

349650385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99024.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 349650385 is about 18698.9407454005. The cubic root of 349650385 is about 704.4951434752.

The spelling of 349650385 in words is "three hundred forty-nine million, six hundred fifty thousand, three hundred eighty-five".