9997100 has 18 divisors (see below), whose sum is σ = 21693924. Its totient is φ = 3998800.

The previous prime is 9997093. The next prime is 9997109. The reversal of 9997100 is 17999.

It is a happy number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9997109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49886 + ... + 50085.

It is an arithmetic number, because the mean of its divisors is an integer number (1205218).

Almost surely, 2^9997100 is an apocalyptic number.

It is an amenable number.

9997100 is an abundant number, since it is smaller than the sum of its proper divisors (11696824).

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

9997100 is a wasteful number, since it uses less digits than its factorization.

9997100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99985 (or 99978 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 35.

The square root of 9997100 is about 3161.8190966594. The cubic root of 9997100 is about 215.4226407877.

The spelling of 9997100 in words is "nine million, nine hundred ninety-seven thousand, one hundred".