101998893 has 8 divisors (see below), whose sum is σ = 138228256. Its totient is φ = 66884400.

The previous prime is 101998889. The next prime is 101998901. The reversal of 101998893 is 398899101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101998893 - 2² = 101998889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101998823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278503 + ... + 278868.

It is an arithmetic number, because the mean of its divisors is an integer number (17278532).

Almost surely, 2^101998893 is an apocalyptic number.

It is an amenable number.

101998893 is a deficient number, since it is larger than the sum of its proper divisors (36229363).

101998893 is an equidigital number, since it uses as much as digits as its factorization.

101998893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557435.

The product of its (nonzero) digits is 139968, while the sum is 48.

The square root of 101998893 is about 10099.4501335469. The cubic root of 101998893 is about 467.2311825458.

The spelling of 101998893 in words is "one hundred one million, nine hundred ninety-eight thousand, eight hundred ninety-three".