9778196 has 12 divisors (see below), whose sum is σ = 18118548. Its totient is φ = 4601472.

The previous prime is 9778189. The next prime is 9778199. The reversal of 9778196 is 6918779.

It can be written as a sum of positive squares in 2 ways, for example, as 3204100 + 6574096 = 1790^2 + 2564^2 .

It is a super-2 number, since 2×9778196² = 191226234028832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9778196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9778199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71831 + ... + 71966.

It is an arithmetic number, because the mean of its divisors is an integer number (1509879).

Almost surely, 2^9778196 is an apocalyptic number.

It is an amenable number.

9778196 is a deficient number, since it is larger than the sum of its proper divisors (8340352).

9778196 is a wasteful number, since it uses less digits than its factorization.

9778196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143818 (or 143816 counting only the distinct ones).

The product of its digits is 190512, while the sum is 47.

The square root of 9778196 is about 3127.0107131252. The cubic root of 9778196 is about 213.8386707338.

The spelling of 9778196 in words is "nine million, seven hundred seventy-eight thousand, one hundred ninety-six".