634632434 has 8 divisors (see below), whose sum is σ = 982656768. Its totient is φ = 307080180.

The previous prime is 634632431. The next prime is 634632451. The reversal of 634632434 is 434236436.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 634632394 and 634632403.

It is not an unprimeable number, because it can be changed into a prime (634632431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5117942 + ... + 5118065.

It is an arithmetic number, because the mean of its divisors is an integer number (122832096).

Almost surely, 2^634632434 is an apocalyptic number.

634632434 is a deficient number, since it is larger than the sum of its proper divisors (348024334).

634632434 is a wasteful number, since it uses less digits than its factorization.

634632434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236040.

The product of its digits is 124416, while the sum is 35.

The square root of 634632434 is about 25191.9120751086. The cubic root of 634632434 is about 859.3579279985.

The spelling of 634632434 in words is "six hundred thirty-four million, six hundred thirty-two thousand, four hundred thirty-four".