103791988 has 12 divisors (see below), whose sum is σ = 184614052. Its totient is φ = 51045120.

The previous prime is 103791983. The next prime is 103791991. The reversal of 103791988 is 889197301.

It can be written as a sum of positive squares in 2 ways, for example, as 11209104 + 92582884 = 3348^2 + 9622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103791983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212445 + ... + 212932.

Almost surely, 2^103791988 is an apocalyptic number.

It is an amenable number.

103791988 is a deficient number, since it is larger than the sum of its proper divisors (80822064).

103791988 is a wasteful number, since it uses less digits than its factorization.

103791988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425442 (or 425440 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 103791988 is about 10187.8352950958. The cubic root of 103791988 is about 469.9531989010.

It can be divided in two parts, 1037 and 91988, that added together give a square (93025 = 305²).

The spelling of 103791988 in words is "one hundred three million, seven hundred ninety-one thousand, nine hundred eighty-eight".