632643306 has 8 divisors (see below), whose sum is σ = 1265286624. Its totient is φ = 210881100.

The previous prime is 632643301. The next prime is 632643317. The reversal of 632643306 is 603346236.

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

632643306 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (632643301) 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, 52720270 + ... + 52720281.

It is an arithmetic number, because the mean of its divisors is an integer number (158160828).

Almost surely, 2^632643306 is an apocalyptic number.

632643306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

632643306 is a wasteful number, since it uses less digits than its factorization.

632643306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105440556.

The product of its (nonzero) digits is 46656, while the sum is 33.

The square root of 632643306 is about 25152.4015950764. The cubic root of 632643306 is about 858.4591600206.

The spelling of 632643306 in words is "six hundred thirty-two million, six hundred forty-three thousand, three hundred six".