109998961 has 8 divisors (see below), whose sum is σ = 116233920. Its totient is φ = 103808592.

The previous prime is 109998947. The next prime is 109998971. The reversal of 109998961 is 169899901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109998961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109998899 and 109998908.

It is not an unprimeable number, because it can be changed into a prime (109998971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6010 + ... + 16003.

It is an arithmetic number, because the mean of its divisors is an integer number (14529240).

Almost surely, 2^109998961 is an apocalyptic number.

It is an amenable number.

109998961 is a deficient number, since it is larger than the sum of its proper divisors (6234959).

109998961 is a wasteful number, since it uses less digits than its factorization.

109998961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22295.

The product of its (nonzero) digits is 314928, while the sum is 52.

The square root of 109998961 is about 10488.0389492030. The cubic root of 109998961 is about 479.1404771302.

The spelling of 109998961 in words is "one hundred nine million, nine hundred ninety-eight thousand, nine hundred sixty-one".