100630644 has 12 divisors (see below), whose sum is σ = 234804864. Its totient is φ = 33543544.

The previous prime is 100630637. The next prime is 100630657. The reversal of 100630644 is 446036001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4192932 + ... + 4192955.

It is an arithmetic number, because the mean of its divisors is an integer number (19567072).

Almost surely, 2^100630644 is an apocalyptic number.

It is an amenable number.

100630644 is an abundant number, since it is smaller than the sum of its proper divisors (134174220).

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

100630644 is a wasteful number, since it uses less digits than its factorization.

100630644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8385894 (or 8385892 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 100630644 is about 10031.4826421621. The cubic root of 100630644 is about 465.1325694393.

Adding to 100630644 its reverse (446036001), we get a palindrome (546666645).

The spelling of 100630644 in words is "one hundred million, six hundred thirty thousand, six hundred forty-four".