634320346 has 8 divisors (see below), whose sum is σ = 1037978784. Its totient is φ = 288327420.

The previous prime is 634320343. The next prime is 634320403. The reversal of 634320346 is 643023436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (634320343) 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 in 3 ways as a sum of consecutive naturals, for example, 14416350 + ... + 14416393.

It is an arithmetic number, because the mean of its divisors is an integer number (129747348).

Almost surely, 2^634320346 is an apocalyptic number.

634320346 is a deficient number, since it is larger than the sum of its proper divisors (403658438).

634320346 is a wasteful number, since it uses less digits than its factorization.

634320346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28832756.

The product of its (nonzero) digits is 31104, while the sum is 31.

The square root of 634320346 is about 25185.7171031519. The cubic root of 634320346 is about 859.2170384287.

The spelling of 634320346 in words is "six hundred thirty-four million, three hundred twenty thousand, three hundred forty-six".