9783420 has 72 divisors (see below), whose sum is σ = 28367472. Its totient is φ = 2519040.

The previous prime is 9783413. The next prime is 9783451. The reversal of 9783420 is 243879.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100812 + ... + 100908.

Almost surely, 2^9783420 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 9783420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14183736).

9783420 is an abundant number, since it is smaller than the sum of its proper divisors (18584052).

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

9783420 is a wasteful number, since it uses less digits than its factorization.

9783420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 9783420 is about 3127.8459041327. The cubic root of 9783420 is about 213.8767450487.

The spelling of 9783420 in words is "nine million, seven hundred eighty-three thousand, four hundred twenty".