9525978 has 128 divisors (see below), whose sum is σ = 27648000. Its totient is φ = 2358720.

The previous prime is 9525977. The next prime is 9525991. The reversal of 9525978 is 8795259.

It is a happy number.

9525978 is a `hidden beast` number, since 9 + 52 + 597 + 8 = 666.

9525978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9525977) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120543 + ... + 120621.

It is an arithmetic number, because the mean of its divisors is an integer number (216000).

Almost surely, 2^9525978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9525978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13824000).

9525978 is an abundant number, since it is smaller than the sum of its proper divisors (18122022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9525978 is a wasteful number, since it uses less digits than its factorization.

9525978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 131 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 9525978 is about 3086.4183125429. The cubic root of 9525978 is about 211.9840530309.

The spelling of 9525978 in words is "nine million, five hundred twenty-five thousand, nine hundred seventy-eight".