349843005 has 24 divisors (see below), whose sum is σ = 607114872. Its totient is φ = 186361344.

The previous prime is 349842989. The next prime is 349843007. The reversal of 349843005 is 500348943.

349843005 is a `hidden beast` number, since 349 + 8 + 4 + 300 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 51451929 + 298391076 = 7173^2 + 17274^2 .

It is not a de Polignac number, because 349843005 - 2⁴ = 349842989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349843007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38017 + ... + 46313.

It is an arithmetic number, because the mean of its divisors is an integer number (25296453).

Almost surely, 2^349843005 is an apocalyptic number.

It is an amenable number.

349843005 is a deficient number, since it is larger than the sum of its proper divisors (257271867).

349843005 is a wasteful number, since it uses less digits than its factorization.

349843005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9245 (or 9242 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 349843005 is about 18704.0905953751. The cubic root of 349843005 is about 704.6244869082.

The spelling of 349843005 in words is "three hundred forty-nine million, eight hundred forty-three thousand, five".