634641102 has 16 divisors (see below), whose sum is σ = 1410313680. Its totient is φ = 211547016.

The previous prime is 634641101. The next prime is 634641113. The reversal of 634641102 is 201146436.

634641102 is a `hidden beast` number, since 6 + 3 + 4 + 641 + 10 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634641101) 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, 5876253 + ... + 5876360.

It is an arithmetic number, because the mean of its divisors is an integer number (88144605).

Almost surely, 2^634641102 is an apocalyptic number.

634641102 is an abundant number, since it is smaller than the sum of its proper divisors (775672578).

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

634641102 is a wasteful number, since it uses less digits than its factorization.

634641102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752624 (or 11752618 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 634641102 is about 25192.0841138640. The cubic root of 634641102 is about 859.3618404367.

Adding to 634641102 its reverse (201146436), we get a palindrome (835787538).

The spelling of 634641102 in words is "six hundred thirty-four million, six hundred forty-one thousand, one hundred two".