103293918 has 96 divisors (see below), whose sum is σ = 290035200. Its totient is φ = 25800768.

The previous prime is 103293917. The next prime is 103293947. The reversal of 103293918 is 819392301.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103293913) 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 47 ways as a sum of consecutive naturals, for example, 29463 + ... + 32781.

It is an arithmetic number, because the mean of its divisors is an integer number (3021200).

Almost surely, 2^103293918 is an apocalyptic number.

103293918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103293918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145017600).

103293918 is an abundant number, since it is smaller than the sum of its proper divisors (186741282).

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

103293918 is a wasteful number, since it uses less digits than its factorization.

103293918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 3363 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 103293918 is about 10163.3615501959. The cubic root of 103293918 is about 469.2002666560.

The spelling of 103293918 in words is "one hundred three million, two hundred ninety-three thousand, nine hundred eighteen".