9906616 has 8 divisors (see below), whose sum is σ = 18574920. Its totient is φ = 4953304.

The previous prime is 9906599. The next prime is 9906653. The reversal of 9906616 is 6166099.

9906616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619156 + ... + 619171.

It is an arithmetic number, because the mean of its divisors is an integer number (2321865).

Almost surely, 2^9906616 is an apocalyptic number.

It is an amenable number.

9906616 is a deficient number, since it is larger than the sum of its proper divisors (8668304).

9906616 is a wasteful number, since it uses less digits than its factorization.

9906616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238333 (or 1238329 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 9906616 is about 3147.4777203342. The cubic root of 9906616 is about 214.7707381302.

The spelling of 9906616 in words is "nine million, nine hundred six thousand, six hundred sixteen".