9872453 has 4 divisors (see below), whose sum is σ = 9886188. Its totient is φ = 9858720.

The previous prime is 9872449. The next prime is 9872501. The reversal of 9872453 is 3542789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3542789 = 227 ⋅15607.

It can be written as a sum of positive squares in 2 ways, for example, as 31684 + 9840769 = 178^2 + 3137^2 .

It is a cyclic number.

It is not a de Polignac number, because 9872453 - 2² = 9872449 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 (9874453) 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, 5726 + ... + 7247.

It is an arithmetic number, because the mean of its divisors is an integer number (2471547).

Almost surely, 2^9872453 is an apocalyptic number.

It is an amenable number.

9872453 is a deficient number, since it is larger than the sum of its proper divisors (13735).

9872453 is a wasteful number, since it uses less digits than its factorization.

9872453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13734.

The product of its digits is 60480, while the sum is 38.

The square root of 9872453 is about 3142.0459894788. The cubic root of 9872453 is about 214.5235745829.

The spelling of 9872453 in words is "nine million, eight hundred seventy-two thousand, four hundred fifty-three".