9667990 has 16 divisors (see below), whose sum is σ = 17583552. Its totient is φ = 3826944.

The previous prime is 9667963. The next prime is 9667993. The reversal of 9667990 is 997669.

It is a self number, because there is not a number n which added to its sum of digits gives 9667990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9667993) 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, 4014 + ... + 5953.

It is an arithmetic number, because the mean of its divisors is an integer number (1098972).

Almost surely, 2^9667990 is an apocalyptic number.

9667990 is a deficient number, since it is larger than the sum of its proper divisors (7915562).

9667990 is a wasteful number, since it uses less digits than its factorization.

9667990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071.

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

The square root of 9667990 is about 3109.3391580849. The cubic root of 9667990 is about 213.0322711873.

It can be divided in two parts, 96679 and 90, that added together give a palindrome (96769).

The spelling of 9667990 in words is "nine million, six hundred sixty-seven thousand, nine hundred ninety".