4640479 has 2 divisors, whose sum is σ = 4640480. Its totient is φ = 4640478.

The previous prime is 4640477. The next prime is 4640491. The reversal of 4640479 is 9740464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4640479 - 2¹ = 4640477 is a prime.

Together with 4640477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320239 + 2320240.

It is an arithmetic number, because the mean of its divisors is an integer number (2320240).

Almost surely, 2^4640479 is an apocalyptic number.

4640479 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640479 is an equidigital number, since it uses as much as digits as its factorization.

4640479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 4640479 is about 2154.1771050682. The cubic root of 4640479 is about 166.7967575429.

The spelling of 4640479 in words is "four million, six hundred forty thousand, four hundred seventy-nine".