103799947 has 4 divisors (see below), whose sum is σ = 103950856. Its totient is φ = 103649040.

The previous prime is 103799921. The next prime is 103799953. The reversal of 103799947 is 749997301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103799947 - 2⁷ = 103799819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103799947.

It is not an unprimeable number, because it can be changed into a prime (103799347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74418 + ... + 75799.

It is an arithmetic number, because the mean of its divisors is an integer number (25987714).

Almost surely, 2^103799947 is an apocalyptic number.

103799947 is a deficient number, since it is larger than the sum of its proper divisors (150909).

103799947 is an equidigital number, since it uses as much as digits as its factorization.

103799947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150908.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 103799947 is about 10188.2259005187. The cubic root of 103799947 is about 469.9652109454.

The spelling of 103799947 in words is "one hundred three million, seven hundred ninety-nine thousand, nine hundred forty-seven".