4789999 has 2 divisors, whose sum is σ = 4790000. Its totient is φ = 4789998.

The previous prime is 4789991. The next prime is 4790011. The reversal of 4789999 is 9999874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4789999 - 2³ = 4789991 is a prime.

It is a Chen prime.

4789999 is a modest number, since divided by 9999 gives 478 as remainder.

4789999 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4789991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2394999 + 2395000.

It is an arithmetic number, because the mean of its divisors is an integer number (2395000).

Almost surely, 2^4789999 is an apocalyptic number.

4789999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4789999 is an equidigital number, since it uses as much as digits as its factorization.

4789999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 55.

The square root of 4789999 is about 2188.6066343681. The cubic root of 4789999 is about 168.5692964601.

The spelling of 4789999 in words is "four million, seven hundred eighty-nine thousand, nine hundred ninety-nine".