9906537 has 8 divisors (see below), whose sum is σ = 13783104. Its totient is φ = 6317168.

The previous prime is 9906527. The next prime is 9906569. The reversal of 9906537 is 7356099.

9906537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9906537 - 2⁶ = 9906473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9906495 and 9906504.

It is not an unprimeable number, because it can be changed into a prime (9906517) 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, 71718 + ... + 71855.

It is an arithmetic number, because the mean of its divisors is an integer number (1722888).

Almost surely, 2^9906537 is an apocalyptic number.

It is an amenable number.

9906537 is a deficient number, since it is larger than the sum of its proper divisors (3876567).

9906537 is a wasteful number, since it uses less digits than its factorization.

9906537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143599.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 9906537 is about 3147.4651705777. The cubic root of 9906537 is about 214.7701672345.

The spelling of 9906537 in words is "nine million, nine hundred six thousand, five hundred thirty-seven".