9995966 has 8 divisors (see below), whose sum is σ = 15876000. Its totient is φ = 4703968.

The previous prime is 9995927. The next prime is 9995971. The reversal of 9995966 is 6695999.

9995966 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146966 + ... + 147033.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^9995966 is an apocalyptic number.

9995966 is a deficient number, since it is larger than the sum of its proper divisors (5880034).

9995966 is a wasteful number, since it uses less digits than its factorization.

9995966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294018.

The product of its digits is 1180980, while the sum is 53.

The square root of 9995966 is about 3161.6397644260. The cubic root of 9995966 is about 215.4144951417.

The spelling of 9995966 in words is "nine million, nine hundred ninety-five thousand, nine hundred sixty-six".