9978652 has 12 divisors (see below), whose sum is σ = 18026176. Its totient is φ = 4828320.

The previous prime is 9978649. The next prime is 9978653. The reversal of 9978652 is 2568799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9978653) 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, 40113 + ... + 40360.

Almost surely, 2^9978652 is an apocalyptic number.

It is an amenable number.

9978652 is a deficient number, since it is larger than the sum of its proper divisors (8047524).

9978652 is a wasteful number, since it uses less digits than its factorization.

9978652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80508 (or 80506 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 9978652 is about 3158.9004416094. The cubic root of 9978652 is about 215.2900502060.

The spelling of 9978652 in words is "nine million, nine hundred seventy-eight thousand, six hundred fifty-two".