9960997 has 8 divisors (see below), whose sum is σ = 11102400. Its totient is φ = 8881344.

The previous prime is 9960989. The next prime is 9961009. The reversal of 9960997 is 7990699.

It is a happy number.

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

It is not a de Polignac number, because 9960997 - 2³ = 9960989 is a prime.

It is a super-2 number, since 2×9960997² = 198442922468018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9960997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9960947) 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, 15097 + ... + 15742.

It is an arithmetic number, because the mean of its divisors is an integer number (1387800).

Almost surely, 2^9960997 is an apocalyptic number.

It is an amenable number.

9960997 is a deficient number, since it is larger than the sum of its proper divisors (1141403).

9960997 is a wasteful number, since it uses less digits than its factorization.

9960997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30875.

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 9960997 is about 3156.1047194287. The cubic root of 9960997 is about 215.1630060025.

The spelling of 9960997 in words is "nine million, nine hundred sixty thousand, nine hundred ninety-seven".