9620845 has 8 divisors (see below), whose sum is σ = 12433176. Its totient is φ = 7104576.

The previous prime is 9620833. The next prime is 9620867. The reversal of 9620845 is 5480269.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 9554281 = 258^2 + 3091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9620845 - 2¹³ = 9612653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9620845.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 73942 + ... + 74071.

It is an arithmetic number, because the mean of its divisors is an integer number (1554147).

Almost surely, 2^9620845 is an apocalyptic number.

It is an amenable number.

9620845 is a deficient number, since it is larger than the sum of its proper divisors (2812331).

9620845 is a wasteful number, since it uses less digits than its factorization.

9620845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148031.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 9620845 is about 3101.7487003302. The cubic root of 9620845 is about 212.6854298403.

The spelling of 9620845 in words is "nine million, six hundred twenty thousand, eight hundred forty-five".