103909950 has 144 divisors (see below), whose sum is σ = 302927040. Its totient is φ = 25524480.

The previous prime is 103909943. The next prime is 103909951. The reversal of 103909950 is 59909301.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103909951) 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 71 ways as a sum of consecutive naturals, for example, 2210827 + ... + 2210873.

It is an arithmetic number, because the mean of its divisors is an integer number (2103660).

Almost surely, 2^103909950 is an apocalyptic number.

103909950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103909950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151463520).

103909950 is an abundant number, since it is smaller than the sum of its proper divisors (199017090).

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

103909950 is a wasteful number, since it uses less digits than its factorization.

103909950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 103909950 is about 10193.6230065664. The cubic root of 103909950 is about 470.1311690633.

The spelling of 103909950 in words is "one hundred three million, nine hundred nine thousand, nine hundred fifty".