349748985 has 8 divisors (see below), whose sum is σ = 559598400. Its totient is φ = 186532784.

The previous prime is 349748897. The next prime is 349749011. The reversal of 349748985 is 589847943.

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

It is a cyclic number.

It is not a de Polignac number, because 349748985 - 2¹¹ = 349746937 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11658285 + ... + 11658314.

It is an arithmetic number, because the mean of its divisors is an integer number (69949800).

Almost surely, 2^349748985 is an apocalyptic number.

It is an amenable number.

349748985 is a deficient number, since it is larger than the sum of its proper divisors (209849415).

349748985 is a wasteful number, since it uses less digits than its factorization.

349748985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23316607.

The product of its digits is 8709120, while the sum is 57.

The square root of 349748985 is about 18701.5770725359. The cubic root of 349748985 is about 704.5613588489.

The spelling of 349748985 in words is "three hundred forty-nine million, seven hundred forty-eight thousand, nine hundred eighty-five".