103841639 has 4 divisors (see below), whose sum is σ = 113281800. Its totient is φ = 94401480.

The previous prime is 103841611. The next prime is 103841687. The reversal of 103841639 is 936148301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103841639 - 2²⁰ = 102793063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103841599 and 103841608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103841609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4720064 + ... + 4720085.

It is an arithmetic number, because the mean of its divisors is an integer number (28320450).

Almost surely, 2^103841639 is an apocalyptic number.

103841639 is a deficient number, since it is larger than the sum of its proper divisors (9440161).

103841639 is an equidigital number, since it uses as much as digits as its factorization.

103841639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9440160.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 103841639 is about 10190.2717824403. The cubic root of 103841639 is about 470.0281241659.

The spelling of 103841639 in words is "one hundred three million, eight hundred forty-one thousand, six hundred thirty-nine".