9966953 has 4 divisors (see below), whose sum is σ = 10019328. Its totient is φ = 9914580.

The previous prime is 9966941. The next prime is 9966967. The reversal of 9966953 is 3596699.

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: 3596699 = 59 ⋅60961.

It is a cyclic number.

It is not a de Polignac number, because 9966953 - 2⁴ = 9966937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9966898 and 9966907.

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, 25901 + ... + 26282.

It is an arithmetic number, because the mean of its divisors is an integer number (2504832).

Almost surely, 2^9966953 is an apocalyptic number.

It is an amenable number.

9966953 is a deficient number, since it is larger than the sum of its proper divisors (52375).

9966953 is a wasteful number, since it uses less digits than its factorization.

9966953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52374.

The product of its digits is 393660, while the sum is 47.

The square root of 9966953 is about 3157.0481466078. The cubic root of 9966953 is about 215.2058817485.

The spelling of 9966953 in words is "nine million, nine hundred sixty-six thousand, nine hundred fifty-three".