9997700 has 36 divisors (see below), whose sum is σ = 22975092. Its totient is φ = 3763200.

The previous prime is 9997697. The next prime is 9997703. The reversal of 9997700 is 77999.

It is an interprime number because it is at equal distance from previous prime (9997697) and next prime (9997703).

It can be written as a sum of positive squares in 6 ways, for example, as 350464 + 9647236 = 592^2 + 3106^2 .

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1241 + ... + 4640.

It is an arithmetic number, because the mean of its divisors is an integer number (638197).

Almost surely, 2^9997700 is an apocalyptic number.

It is an amenable number.

9997700 is an abundant number, since it is smaller than the sum of its proper divisors (12977392).

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

9997700 is a wasteful number, since it uses less digits than its factorization.

9997700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912 (or 5905 counting only the distinct ones).

The product of its (nonzero) digits is 35721, while the sum is 41.

The square root of 9997700 is about 3161.9139773245. The cubic root of 9997700 is about 215.4269504041.

The spelling of 9997700 in words is "nine million, nine hundred ninety-seven thousand, seven hundred".