4798639 has 2 divisors, whose sum is σ = 4798640. Its totient is φ = 4798638.

The previous prime is 4798627. The next prime is 4798649. The reversal of 4798639 is 9368974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4798639 - 2⁷ = 4798511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4798609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2399319 + 2399320.

It is an arithmetic number, because the mean of its divisors is an integer number (2399320).

Almost surely, 2^4798639 is an apocalyptic number.

4798639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4798639 is an equidigital number, since it uses as much as digits as its factorization.

4798639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 4798639 is about 2190.5796036666. The cubic root of 4798639 is about 168.6705883330.

The spelling of 4798639 in words is "four million, seven hundred ninety-eight thousand, six hundred thirty-nine".