9621039 has 4 divisors (see below), whose sum is σ = 12828056. Its totient is φ = 6414024.

The previous prime is 9620993. The next prime is 9621043. The reversal of 9621039 is 9301269.

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

It is not a de Polignac number, because 9621039 - 2⁷ = 9620911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9620997 and 9621015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9621089) 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, 1603504 + ... + 1603509.

It is an arithmetic number, because the mean of its divisors is an integer number (3207014).

Almost surely, 2^9621039 is an apocalyptic number.

9621039 is a deficient number, since it is larger than the sum of its proper divisors (3207017).

9621039 is a wasteful number, since it uses less digits than its factorization.

9621039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207016.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 9621039 is about 3101.7799728543. The cubic root of 9621039 is about 212.6868593993.

The spelling of 9621039 in words is "nine million, six hundred twenty-one thousand, thirty-nine".