9846989 has 2 divisors, whose sum is σ = 9846990. Its totient is φ = 9846988.

The previous prime is 9846973. The next prime is 9847001. The reversal of 9846989 is 9896489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7382089 + 2464900 = 2717^2 + 1570^2 .

It is an emirp because it is prime and its reverse (9896489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9846989 - 2⁴ = 9846973 is a prime.

It is a super-2 number, since 2×9846989² = 193926384732242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9846989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9846289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4923494 + 4923495.

It is an arithmetic number, because the mean of its divisors is an integer number (4923495).

Almost surely, 2^9846989 is an apocalyptic number.

It is an amenable number.

9846989 is a deficient number, since it is larger than the sum of its proper divisors (1).

9846989 is an equidigital number, since it uses as much as digits as its factorization.

9846989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 53.

The square root of 9846989 is about 3137.9912364441. The cubic root of 9846989 is about 214.3389756918.

The spelling of 9846989 in words is "nine million, eight hundred forty-six thousand, nine hundred eighty-nine".