100447628 has 24 divisors (see below), whose sum is σ = 186498144. Its totient is φ = 47174400.

The previous prime is 100447603. The next prime is 100447639. The reversal of 100447628 is 826744001.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 100447594 and 100447603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41738 + ... + 44078.

It is an arithmetic number, because the mean of its divisors is an integer number (7770756).

Almost surely, 2^100447628 is an apocalyptic number.

It is an amenable number.

100447628 is a deficient number, since it is larger than the sum of its proper divisors (86050516).

100447628 is a wasteful number, since it uses less digits than its factorization.

100447628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2991 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 100447628 is about 10022.3564095476. The cubic root of 100447628 is about 464.8504209223.

The spelling of 100447628 in words is "one hundred million, four hundred forty-seven thousand, six hundred twenty-eight".