9916420 has 12 divisors (see below), whose sum is σ = 20824524. Its totient is φ = 3966560.

The previous prime is 9916411. The next prime is 9916433. The reversal of 9916420 is 246199.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3041536 + 6874884 = 1744^2 + 2622^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247891 + ... + 247930.

It is an arithmetic number, because the mean of its divisors is an integer number (1735377).

Almost surely, 2^9916420 is an apocalyptic number.

It is an amenable number.

9916420 is an abundant number, since it is smaller than the sum of its proper divisors (10908104).

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

9916420 is a wasteful number, since it uses less digits than its factorization.

9916420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495830 (or 495828 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9916420 is about 3149.0347727518. The cubic root of 9916420 is about 214.8415634620.

The spelling of 9916420 in words is "nine million, nine hundred sixteen thousand, four hundred twenty".