103616989 has 8 divisors (see below), whose sum is σ = 125385408. Its totient is φ = 83590080.

The previous prime is 103616977. The next prime is 103616993. The reversal of 103616989 is 989616301.

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

It is not a de Polignac number, because 103616989 - 2¹³ = 103608797 is a prime.

It is a super-3 number, since 3×103616989³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103616969) 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, 435247 + ... + 435484.

It is an arithmetic number, because the mean of its divisors is an integer number (15673176).

Almost surely, 2^103616989 is an apocalyptic number.

It is an amenable number.

103616989 is a deficient number, since it is larger than the sum of its proper divisors (21768419).

103616989 is an equidigital number, since it uses as much as digits as its factorization.

103616989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870755.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 103616989 is about 10179.2430465138. The cubic root of 103616989 is about 469.6889280072.

The spelling of 103616989 in words is "one hundred three million, six hundred sixteen thousand, nine hundred eighty-nine".