103993308 has 84 divisors (see below), whose sum is σ = 287371560. Its totient is φ = 32822496.

The previous prime is 103993291. The next prime is 103993321. The reversal of 103993308 is 803399301.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 54466 + ... + 56342.

It is an arithmetic number, because the mean of its divisors is an integer number (3421090).

Almost surely, 2^103993308 is an apocalyptic number.

103993308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103993308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143685780).

103993308 is an abundant number, since it is smaller than the sum of its proper divisors (183378252).

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

103993308 is a wasteful number, since it uses less digits than its factorization.

103993308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 103993308 is about 10197.7109196133. The cubic root of 103993308 is about 470.2568507049.

The spelling of 103993308 in words is "one hundred three million, nine hundred ninety-three thousand, three hundred eight".