9947250 has 48 divisors (see below), whose sum is σ = 26903448. Its totient is φ = 2652000.

The previous prime is 9947243. The next prime is 9947251. The reversal of 9947250 is 527499.

9947250 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4652649 + 5294601 = 2157^2 + 2301^2 .

It is not an unprimeable number, because it can be changed into a prime (9947251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40 + ... + 4460.

Almost surely, 2^9947250 is an apocalyptic number.

9947250 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9947250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13451724).

9947250 is an abundant number, since it is smaller than the sum of its proper divisors (16956198).

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

9947250 is a wasteful number, since it uses less digits than its factorization.

9947250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444 (or 4431 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 9947250 is about 3153.9261246897. The cubic root of 9947250 is about 215.0639795169.

The spelling of 9947250 in words is "nine million, nine hundred forty-seven thousand, two hundred fifty".