9418420 has 48 divisors (see below), whose sum is σ = 22288896. Its totient is φ = 3312000.

The previous prime is 9418403. The next prime is 9418421. The reversal of 9418420 is 248149.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9418421) 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, 6130 + ... + 7510.

It is an arithmetic number, because the mean of its divisors is an integer number (464352).

Almost surely, 2^9418420 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 9418420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11144448).

9418420 is an abundant number, since it is smaller than the sum of its proper divisors (12870476).

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

9418420 is a wasteful number, since it uses less digits than its factorization.

9418420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 9418420 is about 3068.9444439416. The cubic root of 9418420 is about 211.1831925808.

The spelling of 9418420 in words is "nine million, four hundred eighteen thousand, four hundred twenty".