9888925 has 12 divisors (see below), whose sum is σ = 12548800. Its totient is φ = 7726320.

The previous prime is 9888889. The next prime is 9888929. The reversal of 9888925 is 5298889.

It is a happy number.

It is not a de Polignac number, because 9888925 - 2¹³ = 9880733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888929) 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 11 ways as a sum of consecutive naturals, for example, 3525 + ... + 5674.

Almost surely, 2^9888925 is an apocalyptic number.

It is an amenable number.

9888925 is a deficient number, since it is larger than the sum of its proper divisors (2659875).

9888925 is a wasteful number, since it uses less digits than its factorization.

9888925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252 (or 9247 counting only the distinct ones).

The product of its digits is 414720, while the sum is 49.

The square root of 9888925 is about 3144.6661190021. Note that the first 3 decimals coincide. The cubic root of 9888925 is about 214.6428177900.

It can be divided in two parts, 988 and 8925, that multiplied together give a triangular number (8817900 = T₄₁₉₉).

The spelling of 9888925 in words is "nine million, eight hundred eighty-eight thousand, nine hundred twenty-five".