634804506 has 64 divisors (see below), whose sum is σ = 1645152000. Its totient is φ = 181367424.

The previous prime is 634804487. The next prime is 634804549. The reversal of 634804506 is 605408436.

634804506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1386 + ... + 35658.

It is an arithmetic number, because the mean of its divisors is an integer number (25705500).

Almost surely, 2^634804506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634804506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822576000).

634804506 is an abundant number, since it is smaller than the sum of its proper divisors (1010347494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634804506 is a wasteful number, since it uses less digits than its factorization.

634804506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34305 (or 34285 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 634804506 is about 25195.3270667400. The cubic root of 634804506 is about 859.4355887393.

The spelling of 634804506 in words is "six hundred thirty-four million, eight hundred four thousand, five hundred six".