349685258 has 8 divisors (see below), whose sum is σ = 564876228. Its totient is φ = 161393184.

The previous prime is 349685227. The next prime is 349685279. The reversal of 349685258 is 852586943.

It can be written as a sum of positive squares in 2 ways, for example, as 249545209 + 100140049 = 15797^2 + 10007^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6724691 + ... + 6724742.

Almost surely, 2^349685258 is an apocalyptic number.

349685258 is a deficient number, since it is larger than the sum of its proper divisors (215190970).

349685258 is a wasteful number, since it uses less digits than its factorization.

349685258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449448.

The product of its digits is 2073600, while the sum is 50.

The square root of 349685258 is about 18699.8732081263. The cubic root of 349685258 is about 704.5185640532.

It can be divided in two parts, 349685 and 258, that added together give a palindrome (349943).

The spelling of 349685258 in words is "three hundred forty-nine million, six hundred eighty-five thousand, two hundred fifty-eight".