103821916 has 24 divisors (see below), whose sum is σ = 198802800. Its totient is φ = 47049600.

The previous prime is 103821899. The next prime is 103821929. The reversal of 103821916 is 619128301.

It is a super-2 number, since 2×103821916² = 21557980483822112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11976 + ... + 18736.

It is an arithmetic number, because the mean of its divisors is an integer number (8283450).

Almost surely, 2^103821916 is an apocalyptic number.

It is an amenable number.

103821916 is a deficient number, since it is larger than the sum of its proper divisors (94980884).

103821916 is a wasteful number, since it uses less digits than its factorization.

103821916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125 (or 7123 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 103821916 is about 10189.3039997833. The cubic root of 103821916 is about 469.9983642617.

The spelling of 103821916 in words is "one hundred three million, eight hundred twenty-one thousand, nine hundred sixteen".