9966790 has 16 divisors (see below), whose sum is σ = 18235440. Its totient is φ = 3921120.

The previous prime is 9966769. The next prime is 9966791. The reversal of 9966790 is 976699.

It is a self number, because there is not a number n which added to its sum of digits gives 9966790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9966791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7560 + ... + 8779.

It is an arithmetic number, because the mean of its divisors is an integer number (1139715).

Almost surely, 2^9966790 is an apocalyptic number.

9966790 is a deficient number, since it is larger than the sum of its proper divisors (8268650).

9966790 is a wasteful number, since it uses less digits than its factorization.

9966790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16407.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 9966790 is about 3157.0223312482. The cubic root of 9966790 is about 215.2047085798.

The spelling of 9966790 in words is "nine million, nine hundred sixty-six thousand, seven hundred ninety".