9997148 has 24 divisors (see below), whose sum is σ = 20076672. Its totient is φ = 4266864.

The previous prime is 9997133. The next prime is 9997177. The reversal of 9997148 is 8417999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8015 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (836528).

Almost surely, 2^9997148 is an apocalyptic number.

It is an amenable number.

9997148 is an abundant number, since it is smaller than the sum of its proper divisors (10079524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9997148 is a wasteful number, since it uses less digits than its factorization.

9997148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1479 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The square root of 9997148 is about 3161.8266872174. The cubic root of 9997148 is about 215.4229855633.

The spelling of 9997148 in words is "nine million, nine hundred ninety-seven thousand, one hundred forty-eight".