101989698 has 32 divisors (see below), whose sum is σ = 216748224. Its totient is φ = 31882752.

The previous prime is 101989669. The next prime is 101989703. The reversal of 101989698 is 896989101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 101989698.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29686 + ... + 32942.

It is an arithmetic number, because the mean of its divisors is an integer number (6773382).

Almost surely, 2^101989698 is an apocalyptic number.

101989698 is an abundant number, since it is smaller than the sum of its proper divisors (114758526).

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

101989698 is a wasteful number, since it uses less digits than its factorization.

101989698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586.

The product of its (nonzero) digits is 279936, while the sum is 51.

The square root of 101989698 is about 10098.9949004839. The cubic root of 101989698 is about 467.2171421325.

The spelling of 101989698 in words is "one hundred one million, nine hundred eighty-nine thousand, six hundred ninety-eight".