9995620 has 12 divisors (see below), whose sum is σ = 20990844. Its totient is φ = 3998240.

The previous prime is 9995617. The next prime is 9995647. The reversal of 9995620 is 265999.

It can be written as a sum of positive squares in 2 ways, for example, as 4359744 + 5635876 = 2088^2 + 2374^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249871 + ... + 249910.

It is an arithmetic number, because the mean of its divisors is an integer number (1749237).

Almost surely, 2^9995620 is an apocalyptic number.

It is an amenable number.

9995620 is an abundant number, since it is smaller than the sum of its proper divisors (10995224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9995620 is a wasteful number, since it uses less digits than its factorization.

9995620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499790 (or 499788 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 9995620 is about 3161.5850455112. The cubic root of 9995620 is about 215.4120096632.

The spelling of 9995620 in words is "nine million, nine hundred ninety-five thousand, six hundred twenty".