9802420 has 12 divisors (see below), whose sum is σ = 20585124. Its totient is φ = 3920960.

The previous prime is 9802391. The next prime is 9802433. The reversal of 9802420 is 242089.

It can be written as a sum of positive squares in 2 ways, for example, as 7717284 + 2085136 = 2778^2 + 1444^2 .

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 3 ways as a sum of consecutive naturals, for example, 245041 + ... + 245080.

It is an arithmetic number, because the mean of its divisors is an integer number (1715427).

Almost surely, 2^9802420 is an apocalyptic number.

It is an amenable number.

9802420 is an abundant number, since it is smaller than the sum of its proper divisors (10782704).

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

9802420 is a wasteful number, since it uses less digits than its factorization.

9802420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490130 (or 490128 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 9802420 is about 3130.8816649628. The cubic root of 9802420 is about 214.0151094232.

It can be divided in two parts, 980 and 2420, that multiplied together give a square (2371600 = 1540²).

The spelling of 9802420 in words is "nine million, eight hundred two thousand, four hundred twenty".