4976639 has 2 divisors, whose sum is σ = 4976640. Its totient is φ = 4976638.

The previous prime is 4976623. The next prime is 4976663. The reversal of 4976639 is 9366794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4976639 - 2⁴ = 4976623 is a prime.

It is a Chen prime.

It is a plaindrome in base 12 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 4976639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4976039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2488319 + 2488320.

It is an arithmetic number, because the mean of its divisors is an integer number (2488320).

Almost surely, 2^4976639 is an apocalyptic number.

4976639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4976639 is an equidigital number, since it uses as much as digits as its factorization.

4976639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 4976639 is about 2230.8381832845. The cubic root of 4976639 is about 170.7308671800.

The spelling of 4976639 in words is "four million, nine hundred seventy-six thousand, six hundred thirty-nine".