4320487 has 2 divisors, whose sum is σ = 4320488. Its totient is φ = 4320486.

The previous prime is 4320479. The next prime is 4320493. The reversal of 4320487 is 7840234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4320487 - 2³ = 4320479 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4320187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160243 + 2160244.

It is an arithmetic number, because the mean of its divisors is an integer number (2160244).

Almost surely, 2^4320487 is an apocalyptic number.

4320487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320487 is an equidigital number, since it uses as much as digits as its factorization.

4320487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4320487 is about 2078.5781197732. The cubic root of 4320487 is about 162.8711767721.

The spelling of 4320487 in words is "four million, three hundred twenty thousand, four hundred eighty-seven".