9997061 has 4 divisors (see below), whose sum is σ = 10003392. Its totient is φ = 9990732.

The previous prime is 9997049. The next prime is 9997063. The reversal of 9997061 is 1607999.

It is a happy number.

9997061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9997061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370 + ... + 4676.

It is an arithmetic number, because the mean of its divisors is an integer number (2500848).

Almost surely, 2^9997061 is an apocalyptic number.

It is an amenable number.

9997061 is a deficient number, since it is larger than the sum of its proper divisors (6331).

9997061 is a wasteful number, since it uses less digits than its factorization.

9997061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 9997061 is about 3161.8129293176. The cubic root of 9997061 is about 215.4223606566.

The spelling of 9997061 in words is "nine million, nine hundred ninety-seven thousand, sixty-one".