9473813 has 4 divisors (see below), whose sum is σ = 9729900. Its totient is φ = 9217728.

The previous prime is 9473809. The next prime is 9473831. The reversal of 9473813 is 3183749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3183749 = 73 ⋅43613.

It can be written as a sum of positive squares in 2 ways, for example, as 8988004 + 485809 = 2998^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 9473813 - 2² = 9473809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9473833) 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, 127988 + ... + 128061.

It is an arithmetic number, because the mean of its divisors is an integer number (2432475).

Almost surely, 2^9473813 is an apocalyptic number.

It is an amenable number.

9473813 is a deficient number, since it is larger than the sum of its proper divisors (256087).

9473813 is a wasteful number, since it uses less digits than its factorization.

9473813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256086.

The product of its digits is 18144, while the sum is 35.

The square root of 9473813 is about 3077.9559775929. The cubic root of 9473813 is about 211.5963974763.

Subtracting from 9473813 its reverse (3183749), we obtain a square (6290064 = 2508²).

The spelling of 9473813 in words is "nine million, four hundred seventy-three thousand, eight hundred thirteen".