4380647 has 2 divisors, whose sum is σ = 4380648. Its totient is φ = 4380646.

The previous prime is 4380637. The next prime is 4380683. The reversal of 4380647 is 7460834.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4380647 - 2⁸ = 4380391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4380637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190323 + 2190324.

It is an arithmetic number, because the mean of its divisors is an integer number (2190324).

Almost surely, 2^4380647 is an apocalyptic number.

4380647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4380647 is an equidigital number, since it uses as much as digits as its factorization.

4380647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 4380647 is about 2092.9995222169. Note that the first 3 decimals coincide. The cubic root of 4380647 is about 163.6236536799.

The spelling of 4380647 in words is "four million, three hundred eighty thousand, six hundred forty-seven".