103879644 has 48 divisors (see below), whose sum is σ = 265681920. Its totient is φ = 31328640.

The previous prime is 103879627. The next prime is 103879649. The reversal of 103879644 is 446978301.

It is a junction number, because it is equal to n+sod(n) for n = 103879596 and 103879605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103879649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27672 + ... + 31200.

It is an arithmetic number, because the mean of its divisors is an integer number (5535040).

Almost surely, 2^103879644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103879644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132840960).

103879644 is an abundant number, since it is smaller than the sum of its proper divisors (161802276).

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

103879644 is a wasteful number, since it uses less digits than its factorization.

103879644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770 (or 3768 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 103879644 is about 10192.1363805632. The cubic root of 103879644 is about 470.0854590339.

The spelling of 103879644 in words is "one hundred three million, eight hundred seventy-nine thousand, six hundred forty-four".