9820479 has 4 divisors (see below), whose sum is σ = 13093976. Its totient is φ = 6546984.

The previous prime is 9820463. The next prime is 9820483. The reversal of 9820479 is 9740289.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9820479 - 2⁴ = 9820463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9820579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636744 + ... + 1636749.

It is an arithmetic number, because the mean of its divisors is an integer number (3273494).

Almost surely, 2^9820479 is an apocalyptic number.

9820479 is a deficient number, since it is larger than the sum of its proper divisors (3273497).

9820479 is a wasteful number, since it uses less digits than its factorization.

9820479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273496.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 9820479 is about 3133.7643497876. The cubic root of 9820479 is about 214.1464554871.

The spelling of 9820479 in words is "nine million, eight hundred twenty thousand, four hundred seventy-nine".