9925650 has 144 divisors (see below), whose sum is σ = 32033664. Its totient is φ = 2154240.

The previous prime is 9925633. The next prime is 9925667. The reversal of 9925650 is 565299.

9925650 is a `hidden beast` number, since 9 + 92 + 565 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (9925633) and next prime (9925667).

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 72382 + ... + 72518.

It is an arithmetic number, because the mean of its divisors is an integer number (222456).

Almost surely, 2^9925650 is an apocalyptic number.

9925650 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a pronic number, being equal to 3150×3151.

It is a practical number, because each smaller number is the sum of distinct divisors of 9925650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16016832).

9925650 is an abundant number, since it is smaller than the sum of its proper divisors (22108014).

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

9925650 is a wasteful number, since it uses less digits than its factorization.

9925650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 9925650 is about 3150.4999603238. The cubic root of 9925650 is about 214.9081994963.

The spelling of 9925650 in words is "nine million, nine hundred twenty-five thousand, six hundred fifty".