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9896749 is a prime number
BaseRepresentation
bin100101110000…
…001100101101
3200121210210021
4211300030231
510013143444
6552042141
7150056332
oct45601455
920553707
109896749
11564a635
123393351
132086885
141458989
15d07584
hex97032d

9896749 has 2 divisors, whose sum is σ = 9896750. Its totient is φ = 9896748.

The previous prime is 9896741. The next prime is 9896753. The reversal of 9896749 is 9476989.

9896749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5244100 + 4652649 = 2290^2 + 2157^2 .

It is a cyclic number.

It is not a de Polignac number, because 9896749 - 23 = 9896741 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9896696 and 9896705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9896741) 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 as a sum of consecutive naturals, namely, 4948374 + 4948375.

It is an arithmetic number, because the mean of its divisors is an integer number (4948375).

Almost surely, 29896749 is an apocalyptic number.

It is an amenable number.

9896749 is a deficient number, since it is larger than the sum of its proper divisors (1).

9896749 is an equidigital number, since it uses as much as digits as its factorization.

9896749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The square root of 9896749 is about 3145.9098842783. The cubic root of 9896749 is about 214.6994104834.

The spelling of 9896749 in words is "nine million, eight hundred ninety-six thousand, seven hundred forty-nine".