632002638 has 16 divisors (see below), whose sum is σ = 1264485456. Its totient is φ = 210587520.

The previous prime is 632002633. The next prime is 632002667. The reversal of 632002638 is 836200236.

632002638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632002633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1593 + ... + 35588.

It is an arithmetic number, because the mean of its divisors is an integer number (79030341).

Almost surely, 2^632002638 is an apocalyptic number.

632002638 is an abundant number, since it is smaller than the sum of its proper divisors (632482818).

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

632002638 is a wasteful number, since it uses less digits than its factorization.

632002638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40019.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 632002638 is about 25139.6626469012. The cubic root of 632002638 is about 858.1692794159.

The spelling of 632002638 in words is "six hundred thirty-two million, two thousand, six hundred thirty-eight".