4639379 has 2 divisors, whose sum is σ = 4639380. Its totient is φ = 4639378.

The previous prime is 4639373. The next prime is 4639381. The reversal of 4639379 is 9739364.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4639379 - 2¹⁶ = 4573843 is a prime.

Together with 4639381, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (4639373) 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, 2319689 + 2319690.

It is an arithmetic number, because the mean of its divisors is an integer number (2319690).

Almost surely, 2^4639379 is an apocalyptic number.

4639379 is a deficient number, since it is larger than the sum of its proper divisors (1).

4639379 is an equidigital number, since it uses as much as digits as its factorization.

4639379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 4639379 is about 2153.9217720242. The cubic root of 4639379 is about 166.7835770837.

The spelling of 4639379 in words is "four million, six hundred thirty-nine thousand, three hundred seventy-nine".