8897969 has 2 divisors, whose sum is σ = 8897970. Its totient is φ = 8897968.

The previous prime is 8897963. The next prime is 8897989. The reversal of 8897969 is 9697988.

8897969 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7360369 + 1537600 = 2713^2 + 1240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8897969 is a prime.

It is a super-2 number, since 2×8897969² = 158347704649922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8897963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4448984 + 4448985.

It is an arithmetic number, because the mean of its divisors is an integer number (4448985).

Almost surely, 2^8897969 is an apocalyptic number.

It is an amenable number.

8897969 is a deficient number, since it is larger than the sum of its proper divisors (1).

8897969 is an equidigital number, since it uses as much as digits as its factorization.

8897969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 56.

The square root of 8897969 is about 2982.9463622399. The cubic root of 8897969 is about 207.2193447674.

The spelling of 8897969 in words is "eight million, eight hundred ninety-seven thousand, nine hundred sixty-nine".