103939878 has 48 divisors (see below), whose sum is σ = 242751600. Its totient is φ = 29582784.

The previous prime is 103939817. The next prime is 103939883. The reversal of 103939878 is 878939301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102100 + ... + 103112.

It is an arithmetic number, because the mean of its divisors is an integer number (5057325).

Almost surely, 2^103939878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103939878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121375800).

103939878 is an abundant number, since it is smaller than the sum of its proper divisors (138811722).

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

103939878 is a wasteful number, since it uses less digits than its factorization.

103939878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 103939878 is about 10195.0908774763. The cubic root of 103939878 is about 470.1763002403.

The spelling of 103939878 in words is "one hundred three million, nine hundred thirty-nine thousand, eight hundred seventy-eight".