103791399 has 8 divisors (see below), whose sum is σ = 138709872. Its totient is φ = 69033600.

The previous prime is 103791397. The next prime is 103791427. The reversal of 103791399 is 993197301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103791399 - 2¹ = 103791397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103791399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103791397) 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 7 ways as a sum of consecutive naturals, for example, 38652 + ... + 41249.

It is an arithmetic number, because the mean of its divisors is an integer number (17338734).

Almost surely, 2^103791399 is an apocalyptic number.

103791399 is a deficient number, since it is larger than the sum of its proper divisors (34918473).

103791399 is an equidigital number, since it uses as much as digits as its factorization.

103791399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80337.

The product of its (nonzero) digits is 45927, while the sum is 42.

The square root of 103791399 is about 10187.8063880307. The cubic root of 103791399 is about 469.9523099340.

The spelling of 103791399 in words is "one hundred three million, seven hundred ninety-one thousand, three hundred ninety-nine".