103791993 has 8 divisors (see below), whose sum is σ = 142129728. Its totient is φ = 67324464.

The previous prime is 103791991. The next prime is 103792009. The reversal of 103791993 is 399197301.

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

It is not a de Polignac number, because 103791993 - 2¹ = 103791991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103791991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467421 + ... + 467642.

It is an arithmetic number, because the mean of its divisors is an integer number (17766216).

Almost surely, 2^103791993 is an apocalyptic number.

It is an amenable number.

103791993 is a deficient number, since it is larger than the sum of its proper divisors (38337735).

103791993 is an equidigital number, since it uses as much as digits as its factorization.

103791993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935103.

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

The square root of 103791993 is about 10187.8355404865. The cubic root of 103791993 is about 469.9532064474.

The spelling of 103791993 in words is "one hundred three million, seven hundred ninety-one thousand, nine hundred ninety-three".