349908388 has 6 divisors (see below), whose sum is σ = 612339686. Its totient is φ = 174954192.

The previous prime is 349908367. The next prime is 349908397. The reversal of 349908388 is 883809943.

349908388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 195105024 + 154803364 = 13968^2 + 12442^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43738545 + ... + 43738552.

Almost surely, 2^349908388 is an apocalyptic number.

It is an amenable number.

349908388 is a deficient number, since it is larger than the sum of its proper divisors (262431298).

349908388 is a wasteful number, since it uses less digits than its factorization.

349908388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87477101 (or 87477099 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 349908388 is about 18705.8383399408. The cubic root of 349908388 is about 704.6683804951.

The spelling of 349908388 in words is "three hundred forty-nine million, nine hundred eight thousand, three hundred eighty-eight".