100447798 has 32 divisors (see below), whose sum is σ = 174711168. Its totient is φ = 42806400.

The previous prime is 100447769. The next prime is 100447799. The reversal of 100447798 is 897744001.

It is a self number, because there is not a number n which added to its sum of digits gives 100447798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100447799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183361 + ... + 183907.

It is an arithmetic number, because the mean of its divisors is an integer number (5459724).

Almost surely, 2^100447798 is an apocalyptic number.

100447798 is a deficient number, since it is larger than the sum of its proper divisors (74263370).

100447798 is a wasteful number, since it uses less digits than its factorization.

100447798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 100447798 is about 10022.3648905835. The cubic root of 100447798 is about 464.8506831635.

The spelling of 100447798 in words is "one hundred million, four hundred forty-seven thousand, seven hundred ninety-eight".