8118403 has 4 divisors (see below), whose sum is σ = 8229688. Its totient is φ = 8007120.

The previous prime is 8118391. The next prime is 8118413. The reversal of 8118403 is 3048118.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3048118 = 2 ⋅1524059.

It is a cyclic number.

It is not a de Polignac number, because 8118403 - 2¹³ = 8110211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8118413) 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, 55533 + ... + 55678.

It is an arithmetic number, because the mean of its divisors is an integer number (2057422).

Almost surely, 2^8118403 is an apocalyptic number.

8118403 is a deficient number, since it is larger than the sum of its proper divisors (111285).

8118403 is a wasteful number, since it uses less digits than its factorization.

8118403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111284.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 8118403 is about 2849.2811374099. The cubic root of 8118403 is about 200.9818634989.

The spelling of 8118403 in words is "eight million, one hundred eighteen thousand, four hundred three".