9628539 has 4 divisors (see below), whose sum is σ = 12838056. Its totient is φ = 6419024.

The previous prime is 9628519. The next prime is 9628607. The reversal of 9628539 is 9358269.

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 9628539 - 2¹² = 9624443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9628539.

It is not an unprimeable number, because it can be changed into a prime (9628519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604754 + ... + 1604759.

It is an arithmetic number, because the mean of its divisors is an integer number (3209514).

Almost surely, 2^9628539 is an apocalyptic number.

9628539 is a deficient number, since it is larger than the sum of its proper divisors (3209517).

9628539 is a wasteful number, since it uses less digits than its factorization.

9628539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209516.

The product of its digits is 116640, while the sum is 42.

The square root of 9628539 is about 3102.9887205725. The cubic root of 9628539 is about 212.7421111287.

The spelling of 9628539 in words is "nine million, six hundred twenty-eight thousand, five hundred thirty-nine".