9906061 has 4 divisors (see below), whose sum is σ = 10806624. Its totient is φ = 9005500.

The previous prime is 9906007. The next prime is 9906079. The reversal of 9906061 is 1606099.

9906061 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 an emirpimes, since its reverse is a distinct semiprime: 1606099 = 11 ⋅146009.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9906061 is a prime.

It is an Ulam number.

It is a Duffinian number.

9906061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9906161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450265 + ... + 450286.

It is an arithmetic number, because the mean of its divisors is an integer number (2701656).

Almost surely, 2^9906061 is an apocalyptic number.

It is an amenable number.

9906061 is a deficient number, since it is larger than the sum of its proper divisors (900563).

9906061 is a wasteful number, since it uses less digits than its factorization.

9906061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900562.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 9906061 is about 3147.3895532647. The cubic root of 9906061 is about 214.7667273430.

The spelling of 9906061 in words is "nine million, nine hundred six thousand, sixty-one".