349896705 has 16 divisors (see below), whose sum is σ = 561862464. Its totient is φ = 185935680.

The previous prime is 349896683. The next prime is 349896707. The reversal of 349896705 is 507698943.

It is not a de Polignac number, because 349896705 - 2⁶ = 349896641 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (349896707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37951 + ... + 46260.

It is an arithmetic number, because the mean of its divisors is an integer number (35116404).

It is a Proth number, since it is equal to 5339 ⋅ 2¹⁶ + 1 and 5339 < 2¹⁶.

Almost surely, 2^349896705 is an apocalyptic number.

It is an amenable number.

349896705 is a deficient number, since it is larger than the sum of its proper divisors (211965759).

349896705 is a wasteful number, since it uses less digits than its factorization.

349896705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84496.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 349896705 is about 18705.5260551528. The cubic root of 349896705 is about 704.6605377448.

The spelling of 349896705 in words is "three hundred forty-nine million, eight hundred ninety-six thousand, seven hundred five".