349741648 has 20 divisors (see below), whose sum is σ = 684613300. Its totient is φ = 173067264.

The previous prime is 349741619. The next prime is 349741681. The reversal of 349741648 is 846147943.

It can be written as a sum of positive squares in 2 ways, for example, as 131056704 + 218684944 = 11448^2 + 14788^2 .

It is a junction number, because it is equal to n+sod(n) for n = 349741598 and 349741607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111123 + ... + 114226.

It is an arithmetic number, because the mean of its divisors is an integer number (34230665).

Almost surely, 2^349741648 is an apocalyptic number.

It is an amenable number.

349741648 is a deficient number, since it is larger than the sum of its proper divisors (334871652).

349741648 is a wasteful number, since it uses less digits than its factorization.

349741648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225454 (or 225448 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 349741648 is about 18701.3809115798. The cubic root of 349741648 is about 704.5564320747.

The spelling of 349741648 in words is "three hundred forty-nine million, seven hundred forty-one thousand, six hundred forty-eight".