349085648 has 10 divisors (see below), whose sum is σ = 676353474. Its totient is φ = 174542816.

The previous prime is 349085647. The next prime is 349085657. The reversal of 349085648 is 846580943.

It can be written as a sum of positive squares in only one way, i.e., 332989504 + 16096144 = 18248^2 + 4012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349085641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10908911 + ... + 10908942.

Almost surely, 2^349085648 is an apocalyptic number.

It is an amenable number.

349085648 is a deficient number, since it is larger than the sum of its proper divisors (327267826).

349085648 is a wasteful number, since it uses less digits than its factorization.

349085648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21817861 (or 21817855 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 349085648 is about 18683.8338678120. The cubic root of 349085648 is about 704.1156511964.

The spelling of 349085648 in words is "three hundred forty-nine million, eighty-five thousand, six hundred forty-eight".