103891983 has 8 divisors (see below), whose sum is σ = 149178288. Its totient is φ = 63933504.

The previous prime is 103891951. The next prime is 103891987. The reversal of 103891983 is 389198301.

It is a happy number.

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

It is not a de Polignac number, because 103891983 - 2⁵ = 103891951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103891987) 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, 1331910 + ... + 1331987.

It is an arithmetic number, because the mean of its divisors is an integer number (18647286).

Almost surely, 2^103891983 is an apocalyptic number.

103891983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103891983 is a deficient number, since it is larger than the sum of its proper divisors (45286305).

103891983 is a wasteful number, since it uses less digits than its factorization.

103891983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663913.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 103891983 is about 10192.7416821972. The cubic root of 103891983 is about 470.1040708126.

The spelling of 103891983 in words is "one hundred three million, eight hundred ninety-one thousand, nine hundred eighty-three".