4677989 has 2 divisors, whose sum is σ = 4677990. Its totient is φ = 4677988.

The previous prime is 4677973. The next prime is 4677991. The reversal of 4677989 is 9897764.

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., 4656964 + 21025 = 2158^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 4677989 - 2⁴ = 4677973 is a prime.

It is a Sophie Germain prime.

Together with 4677991, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4677919) 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, 2338994 + 2338995.

It is an arithmetic number, because the mean of its divisors is an integer number (2338995).

Almost surely, 2^4677989 is an apocalyptic number.

It is an amenable number.

4677989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4677989 is an equidigital number, since it uses as much as digits as its factorization.

4677989 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4677989 is about 2162.8659227978. The cubic root of 4677989 is about 167.2449701805.

The spelling of 4677989 in words is "four million, six hundred seventy-seven thousand, nine hundred eighty-nine".