9997453 has 8 divisors (see below), whose sum is σ = 10143000. Its totient is φ = 9853248.

The previous prime is 9997451. The next prime is 9997483. The reversal of 9997453 is 3547999.

It can be written as a sum of positive squares in 4 ways, for example, as 4251844 + 5745609 = 2062^2 + 2397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9997453 - 2¹ = 9997451 is a prime.

It is an Ulam number.

It is a Duffinian number.

9997453 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33975 + ... + 34267.

It is an arithmetic number, because the mean of its divisors is an integer number (1267875).

Almost surely, 2^9997453 is an apocalyptic number.

It is an amenable number.

9997453 is a deficient number, since it is larger than the sum of its proper divisors (145547).

9997453 is a wasteful number, since it uses less digits than its factorization.

9997453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its digits is 306180, while the sum is 46.

The square root of 9997453 is about 3161.8749184621. The cubic root of 9997453 is about 215.4251762995.

The spelling of 9997453 in words is "nine million, nine hundred ninety-seven thousand, four hundred fifty-three".