9420216 has 64 divisors (see below), whose sum is σ = 25687200. Its totient is φ = 2861568.

The previous prime is 9420211. The next prime is 9420223. The reversal of 9420216 is 6120249.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9420211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33870 + ... + 34146.

Almost surely, 2^9420216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9420216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12843600).

9420216 is an abundant number, since it is smaller than the sum of its proper divisors (16266984).

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

9420216 is a wasteful number, since it uses less digits than its factorization.

9420216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 9420216 is about 3069.2370387443. The cubic root of 9420216 is about 211.1966152465.

The spelling of 9420216 in words is "nine million, four hundred twenty thousand, two hundred sixteen".