9784081 has 2 divisors, whose sum is σ = 9784082. Its totient is φ = 9784080.

The previous prime is 9784079. The next prime is 9784097. The reversal of 9784081 is 1804879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5683456 + 4100625 = 2384^2 + 2025^2 .

It is a cyclic number.

It is not a de Polignac number, because 9784081 - 2¹ = 9784079 is a prime.

It is a super-2 number, since 2×9784081² = 191456482029122, which contains 22 as substring.

Together with 9784079, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9784081.

It is not a weakly prime, because it can be changed into another prime (9784051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4892040 + 4892041.

It is an arithmetic number, because the mean of its divisors is an integer number (4892041).

Almost surely, 2^9784081 is an apocalyptic number.

It is an amenable number.

9784081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9784081 is an equidigital number, since it uses as much as digits as its factorization.

9784081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 9784081 is about 3127.9515661212. The cubic root of 9784081 is about 213.8815616787.

The spelling of 9784081 in words is "nine million, seven hundred eighty-four thousand, eighty-one".