9827420 has 12 divisors (see below), whose sum is σ = 20637624. Its totient is φ = 3930960.

The previous prime is 9827407. The next prime is 9827437. The reversal of 9827420 is 247289.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245666 + ... + 245705.

It is an arithmetic number, because the mean of its divisors is an integer number (1719802).

Almost surely, 2^9827420 is an apocalyptic number.

It is an amenable number.

9827420 is an abundant number, since it is smaller than the sum of its proper divisors (10810204).

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

9827420 is a wasteful number, since it uses less digits than its factorization.

9827420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491380 (or 491378 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 9827420 is about 3134.8716082162. The cubic root of 9827420 is about 214.1968956777.

The spelling of 9827420 in words is "nine million, eight hundred twenty-seven thousand, four hundred twenty".