103039993 has 6 divisors (see below), whose sum is σ = 119862906. Its totient is φ = 88319952.

The previous prime is 103039973. The next prime is 103039999. The reversal of 103039993 is 399930301.

It can be written as a sum of positive squares in only one way, i.e., 83960569 + 19079424 = 9163^2 + 4368^2 .

It is not a de Polignac number, because 103039993 - 2²¹ = 100942841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103039999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1051380 + ... + 1051477.

It is an arithmetic number, because the mean of its divisors is an integer number (19977151).

Almost surely, 2^103039993 is an apocalyptic number.

It is an amenable number.

103039993 is a deficient number, since it is larger than the sum of its proper divisors (16822913).

103039993 is an equidigital number, since it uses as much as digits as its factorization.

103039993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102871 (or 2102864 counting only the distinct ones).

The product of its (nonzero) digits is 19683, while the sum is 37.

The square root of 103039993 is about 10150.8616875613. The cubic root of 103039993 is about 468.8154765306.

The spelling of 103039993 in words is "one hundred three million, thirty-nine thousand, nine hundred ninety-three".