101889398 has 32 divisors (see below), whose sum is σ = 177176160. Its totient is φ = 43522560.

The previous prime is 101889391. The next prime is 101889407. The reversal of 101889398 is 893988101.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101889391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25073 + ... + 28851.

It is an arithmetic number, because the mean of its divisors is an integer number (5536755).

Almost surely, 2^101889398 is an apocalyptic number.

101889398 is a deficient number, since it is larger than the sum of its proper divisors (75286762).

101889398 is a wasteful number, since it uses less digits than its factorization.

101889398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872.

The product of its (nonzero) digits is 124416, while the sum is 47.

The square root of 101889398 is about 10094.0278382814. The cubic root of 101889398 is about 467.0639330323.

The spelling of 101889398 in words is "one hundred one million, eight hundred eighty-nine thousand, three hundred ninety-eight".