349723568 has 10 divisors (see below), whose sum is σ = 677589444. Its totient is φ = 174861776.

The previous prime is 349723567. The next prime is 349723573. The reversal of 349723568 is 865327943.

It is a happy number.

349723568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (349723567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10928846 + ... + 10928877.

Almost surely, 2^349723568 is an apocalyptic number.

It is an amenable number.

349723568 is a deficient number, since it is larger than the sum of its proper divisors (327865876).

349723568 is a wasteful number, since it uses less digits than its factorization.

349723568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21857731 (or 21857725 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 349723568 is about 18700.8975185685. The cubic root of 349723568 is about 704.5442911130.

The spelling of 349723568 in words is "three hundred forty-nine million, seven hundred twenty-three thousand, five hundred sixty-eight".