9680819 has 4 divisors (see below), whose sum is σ = 9719640. Its totient is φ = 9642000.

The previous prime is 9680813. The next prime is 9680843. The reversal of 9680819 is 9180869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9180869 = 977 ⋅9397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9680819 is a prime.

It is a super-2 number, since 2×9680819² = 187436513021522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9680813) 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, 19034 + ... + 19535.

It is an arithmetic number, because the mean of its divisors is an integer number (2429910).

Almost surely, 2^9680819 is an apocalyptic number.

9680819 is a deficient number, since it is larger than the sum of its proper divisors (38821).

9680819 is a wasteful number, since it uses less digits than its factorization.

9680819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38820.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 9680819 is about 3111.4014527219. The cubic root of 9680819 is about 213.1264577088.

The spelling of 9680819 in words is "nine million, six hundred eighty thousand, eight hundred nineteen".