9025978 has 16 divisors (see below), whose sum is σ = 14636160. Its totient is φ = 4149936.

The previous prime is 9025957. The next prime is 9025979. The reversal of 9025978 is 8795209.

It is a self number, because there is not a number n which added to its sum of digits gives 9025978.

It is not an unprimeable number, because it can be changed into a prime (9025979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8851 + ... + 9817.

It is an arithmetic number, because the mean of its divisors is an integer number (914760).

Almost surely, 2^9025978 is an apocalyptic number.

9025978 is a deficient number, since it is larger than the sum of its proper divisors (5610182).

9025978 is a wasteful number, since it uses less digits than its factorization.

9025978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 9025978 is about 3004.3265468321. The cubic root of 9025978 is about 208.2083249338.

The spelling of 9025978 in words is "nine million, twenty-five thousand, nine hundred seventy-eight".