634632006 has 32 divisors (see below), whose sum is σ = 1284812928. Its totient is φ = 208961280.

The previous prime is 634632001. The next prime is 634632073. The reversal of 634632006 is 600236436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634632001) 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 15 ways as a sum of consecutive naturals, for example, 564561 + ... + 565683.

It is an arithmetic number, because the mean of its divisors is an integer number (40150404).

Almost surely, 2^634632006 is an apocalyptic number.

634632006 is an abundant number, since it is smaller than the sum of its proper divisors (650180922).

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

634632006 is a wasteful number, since it uses less digits than its factorization.

634632006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 634632006 is about 25191.9035803172. The cubic root of 634632006 is about 859.3577348130.

The spelling of 634632006 in words is "six hundred thirty-four million, six hundred thirty-two thousand, six".