103998992 has 40 divisors (see below), whose sum is σ = 205344000. Its totient is φ = 51017472.

The previous prime is 103998991. The next prime is 103999003. The reversal of 103998992 is 299899301.

It is a self number, because there is not a number n which added to its sum of digits gives 103998992.

It is not an unprimeable number, because it can be changed into a prime (103998991) by changing a digit.

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, 283193 + ... + 283559.

It is an arithmetic number, because the mean of its divisors is an integer number (5133600).

Almost surely, 2^103998992 is an apocalyptic number.

It is an amenable number.

103998992 is a deficient number, since it is larger than the sum of its proper divisors (101345008).

103998992 is a wasteful number, since it uses less digits than its factorization.

103998992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 103998992 is about 10197.9896057998. The cubic root of 103998992 is about 470.2654182153.

It can be divided in two parts, 10399 and 8992, that added together give a palindrome (19391).

The spelling of 103998992 in words is "one hundred three million, nine hundred ninety-eight thousand, nine hundred ninety-two".