9900770 has 16 divisors (see below), whose sum is σ = 19441728. Its totient is φ = 3600240.

The previous prime is 9900769. The next prime is 9900773. The reversal of 9900770 is 770099.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9900773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44894 + ... + 45113.

It is an arithmetic number, because the mean of its divisors is an integer number (1215108).

Almost surely, 2^9900770 is an apocalyptic number.

9900770 is a deficient number, since it is larger than the sum of its proper divisors (9540958).

9900770 is a wasteful number, since it uses less digits than its factorization.

9900770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90025.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 9900770 is about 3146.5489031636. The cubic root of 9900770 is about 214.7284836480.

The spelling of 9900770 in words is "nine million, nine hundred thousand, seven hundred seventy".