9948780 has 72 divisors (see below), whose sum is σ = 31777200. Its totient is φ = 2512512.

The previous prime is 9948779. The next prime is 9948787. The reversal of 9948780 is 878499.

9948780 is a `hidden beast` number, since 99 + 487 + 80 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (9948787) 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, 1966 + ... + 4874.

It is an arithmetic number, because the mean of its divisors is an integer number (441350).

Almost surely, 2^9948780 is an apocalyptic number.

9948780 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9948780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15888600).

9948780 is an abundant number, since it is smaller than the sum of its proper divisors (21828420).

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

9948780 is a wasteful number, since it uses less digits than its factorization.

9948780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 9948780 is about 3154.1686701887. The cubic root of 9948780 is about 215.0750053790.

The spelling of 9948780 in words is "nine million, nine hundred forty-eight thousand, seven hundred eighty".