103948993 has 4 divisors (see below), whose sum is σ = 103999428. Its totient is φ = 103898560.

The previous prime is 103948991. The next prime is 103949003. The reversal of 103948993 is 399849301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 399849301 = 733 ⋅545497.

It can be written as a sum of positive squares in 2 ways, for example, as 23541904 + 80407089 = 4852^2 + 8967^2 .

It is a cyclic number.

It is not a de Polignac number, because 103948993 - 2¹ = 103948991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103948991) 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, 21988 + ... + 26293.

It is an arithmetic number, because the mean of its divisors is an integer number (25999857).

Almost surely, 2^103948993 is an apocalyptic number.

It is an amenable number.

103948993 is a deficient number, since it is larger than the sum of its proper divisors (50435).

103948993 is an equidigital number, since it uses as much as digits as its factorization.

103948993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50434.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 103948993 is about 10195.5378965506. The cubic root of 103948993 is about 470.1900438639.

The spelling of 103948993 in words is "one hundred three million, nine hundred forty-eight thousand, nine hundred ninety-three".