9669147 has 4 divisors (see below), whose sum is σ = 12892200. Its totient is φ = 6446096.

The previous prime is 9669139. The next prime is 9669167. The reversal of 9669147 is 7419669.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9669147 - 2³ = 9669139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9669099 and 9669108.

It is not an unprimeable number, because it can be changed into a prime (9669137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611522 + ... + 1611527.

It is an arithmetic number, because the mean of its divisors is an integer number (3223050).

Almost surely, 2^9669147 is an apocalyptic number.

9669147 is a deficient number, since it is larger than the sum of its proper divisors (3223053).

9669147 is a wasteful number, since it uses less digits than its factorization.

9669147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223052.

The product of its digits is 81648, while the sum is 42.

The square root of 9669147 is about 3109.5252049147. The cubic root of 9669147 is about 213.0407689380.

The spelling of 9669147 in words is "nine million, six hundred sixty-nine thousand, one hundred forty-seven".