634910834 has 8 divisors (see below), whose sum is σ = 964421760. Its totient is φ = 313436916.

The previous prime is 634910831. The next prime is 634910851. The reversal of 634910834 is 438019436.

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

It is a super-2 number, since 2×634910834² = 806223534261151112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (634910831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009054 + ... + 2009369.

It is an arithmetic number, because the mean of its divisors is an integer number (120552720).

Almost surely, 2^634910834 is an apocalyptic number.

634910834 is a deficient number, since it is larger than the sum of its proper divisors (329510926).

634910834 is a wasteful number, since it uses less digits than its factorization.

634910834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018504.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 634910834 is about 25197.4370522083. The cubic root of 634910834 is about 859.4835704223.

The spelling of 634910834 in words is "six hundred thirty-four million, nine hundred ten thousand, eight hundred thirty-four".