9671629 has 4 divisors (see below), whose sum is σ = 10550880. Its totient is φ = 8792380.

The previous prime is 9671621. The next prime is 9671639. The reversal of 9671629 is 9261769.

9671629 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 9261769 = 11 ⋅841979.

It is a cyclic number.

It is not a de Polignac number, because 9671629 - 2³ = 9671621 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9671591 and 9671600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9671621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439609 + ... + 439630.

It is an arithmetic number, because the mean of its divisors is an integer number (2637720).

Almost surely, 2^9671629 is an apocalyptic number.

It is an amenable number.

9671629 is a deficient number, since it is larger than the sum of its proper divisors (879251).

9671629 is a wasteful number, since it uses less digits than its factorization.

9671629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879250.

The product of its digits is 40824, while the sum is 40.

The square root of 9671629 is about 3109.9242756054. The cubic root of 9671629 is about 213.0589960526.

The spelling of 9671629 in words is "nine million, six hundred seventy-one thousand, six hundred twenty-nine".