9780246 has 24 divisors (see below), whose sum is σ = 24218064. Its totient is φ = 2794320.

The previous prime is 9780241. The next prime is 9780317. The reversal of 9780246 is 6420879.

It is a self number, because there is not a number n which added to its sum of digits gives 9780246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9780241) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 38685 + ... + 38936.

It is an arithmetic number, because the mean of its divisors is an integer number (1009086).

Almost surely, 2^9780246 is an apocalyptic number.

9780246 is an abundant number, since it is smaller than the sum of its proper divisors (14437818).

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

9780246 is a wasteful number, since it uses less digits than its factorization.

9780246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77636 (or 77633 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 9780246 is about 3127.3384850380. The cubic root of 9780246 is about 213.8536134576.

The spelling of 9780246 in words is "nine million, seven hundred eighty thousand, two hundred forty-six".