4977439 has 2 divisors, whose sum is σ = 4977440. Its totient is φ = 4977438.

The previous prime is 4977437. The next prime is 4977443. The reversal of 4977439 is 9347794.

It is a happy number.

4977439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4977439 - 2¹ = 4977437 is a prime.

Together with 4977437, it forms a pair of twin primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁷ + 9 + 7⁶ + 7⁶ + 4¹¹ + 3 + 9⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 4977395 and 4977404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4977431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2488719 + 2488720.

It is an arithmetic number, because the mean of its divisors is an integer number (2488720).

Almost surely, 2^4977439 is an apocalyptic number.

4977439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4977439 is an equidigital number, since it uses as much as digits as its factorization.

4977439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 4977439 is about 2231.0174808818. The cubic root of 4977439 is about 170.7400150792.

The spelling of 4977439 in words is "four million, nine hundred seventy-seven thousand, four hundred thirty-nine".