9797970 has 128 divisors (see below), whose sum is σ = 30030336. Its totient is φ = 1990656.

The previous prime is 9797959. The next prime is 9797993. The reversal of 9797970 is 797979.

It is a super-2 number, since 2×9797970² = 192000432241800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100962 + ... + 101058.

It is an arithmetic number, because the mean of its divisors is an integer number (234612).

Almost surely, 2^9797970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9797970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15015168).

9797970 is an abundant number, since it is smaller than the sum of its proper divisors (20232366).

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

9797970 is a wasteful number, since it uses less digits than its factorization.

9797970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164.

The product of its (nonzero) digits is 250047, while the sum is 48.

The square root of 9797970 is about 3130.1709218508. The cubic root of 9797970 is about 213.9827190751.

The spelling of 9797970 in words is "nine million, seven hundred ninety-seven thousand, nine hundred seventy".