349223744 has 28 divisors (see below), whose sum is σ = 693695844. Its totient is φ = 174434304.

The previous prime is 349223717. The next prime is 349223767. The reversal of 349223744 is 447322943.

It can be written as a sum of positive squares in 2 ways, for example, as 160985344 + 188238400 = 12688^2 + 13720^2 .

It is a junction number, because it is equal to n+sod(n) for n = 349223698 and 349223707.

It is a congruent 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, 79592 + ... + 83864.

Almost surely, 2^349223744 is an apocalyptic number.

It is an amenable number.

349223744 is a deficient number, since it is larger than the sum of its proper divisors (344472100).

349223744 is a wasteful number, since it uses less digits than its factorization.

349223744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562 (or 5552 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 349223744 is about 18687.5291036563. The cubic root of 349223744 is about 704.2084868051.

The spelling of 349223744 in words is "three hundred forty-nine million, two hundred twenty-three thousand, seven hundred forty-four".