8989601 has 2 divisors, whose sum is σ = 8989602. Its totient is φ = 8989600.

The previous prime is 8989579. The next prime is 8989609. The reversal of 8989601 is 1069898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 3904576 = 2255^2 + 1976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8989601 is a prime.

It is a super-2 number, since 2×8989601² = 161625852278402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8989609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4494800 + 4494801.

It is an arithmetic number, because the mean of its divisors is an integer number (4494801).

Almost surely, 2^8989601 is an apocalyptic number.

It is an amenable number.

8989601 is a deficient number, since it is larger than the sum of its proper divisors (1).

8989601 is an equidigital number, since it uses as much as digits as its factorization.

8989601 is an evil number, because the sum of its binary digits is even.

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

The square root of 8989601 is about 2998.2663323994. The cubic root of 8989601 is about 207.9282373863.

The spelling of 8989601 in words is "eight million, nine hundred eighty-nine thousand, six hundred one".