4787969 has 2 divisors, whose sum is σ = 4787970. Its totient is φ = 4787968.

The previous prime is 4787963. The next prime is 4787971. The reversal of 4787969 is 9697874.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4787344 + 625 = 2188^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 4787969 - 2¹² = 4783873 is a prime.

It is a super-2 number, since 2×4787969² = 45849294289922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4787971, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4787963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393984 + 2393985.

It is an arithmetic number, because the mean of its divisors is an integer number (2393985).

Almost surely, 2^4787969 is an apocalyptic number.

It is an amenable number.

4787969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4787969 is an equidigital number, since it uses as much as digits as its factorization.

4787969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 50.

The square root of 4787969 is about 2188.1428198360. The cubic root of 4787969 is about 168.5454798912.

The spelling of 4787969 in words is "four million, seven hundred eighty-seven thousand, nine hundred sixty-nine".