634027834 has 32 divisors (see below), whose sum is σ = 1108454400. Its totient is φ = 268939440.

The previous prime is 634027829. The next prime is 634027837. The reversal of 634027834 is 438720436.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 634027793 and 634027802.

It is not an unprimeable number, because it can be changed into a prime (634027837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16687 + ... + 39325.

It is an arithmetic number, because the mean of its divisors is an integer number (34639200).

Almost surely, 2^634027834 is an apocalyptic number.

634027834 is a deficient number, since it is larger than the sum of its proper divisors (474426566).

634027834 is a wasteful number, since it uses less digits than its factorization.

634027834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22738.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 634027834 is about 25179.9093326406. The cubic root of 634027834 is about 859.0849443225.

The spelling of 634027834 in words is "six hundred thirty-four million, twenty-seven thousand, eight hundred thirty-four".