9978352 has 20 divisors (see below), whose sum is σ = 19507680. Its totient is φ = 4944128.

The previous prime is 9978347. The next prime is 9978359. The reversal of 9978352 is 2538799.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9978299 and 9978308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9978359) 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, 952 + ... + 4567.

It is an arithmetic number, because the mean of its divisors is an integer number (975384).

Almost surely, 2^9978352 is an apocalyptic number.

It is an amenable number.

9978352 is a deficient number, since it is larger than the sum of its proper divisors (9529328).

9978352 is a wasteful number, since it uses less digits than its factorization.

9978352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640 (or 5634 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 9978352 is about 3158.8529563751. The cubic root of 9978352 is about 215.2878926780.

The spelling of 9978352 in words is "nine million, nine hundred seventy-eight thousand, three hundred fifty-two".