349664758 has 4 divisors (see below), whose sum is σ = 524497140. Its totient is φ = 174832378.

The previous prime is 349664753. The next prime is 349664801. The reversal of 349664758 is 857466943.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349664753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87416188 + ... + 87416191.

It is an arithmetic number, because the mean of its divisors is an integer number (131124285).

Almost surely, 2^349664758 is an apocalyptic number.

349664758 is a deficient number, since it is larger than the sum of its proper divisors (174832382).

349664758 is a wasteful number, since it uses less digits than its factorization.

349664758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174832381.

The product of its digits is 4354560, while the sum is 52.

The square root of 349664758 is about 18699.3250680339. The cubic root of 349664758 is about 704.5047965176.

The spelling of 349664758 in words is "three hundred forty-nine million, six hundred sixty-four thousand, seven hundred fifty-eight".