403487065 has 16 divisors (see below), whose sum is σ = 492439680. Its totient is φ = 317306880.

The previous prime is 403487047. The next prime is 403487081. The reversal of 403487065 is 560784304.

It is not a de Polignac number, because 403487065 - 2⁹ = 403486553 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 213796 + ... + 215674.

It is an arithmetic number, because the mean of its divisors is an integer number (30777480).

Almost surely, 2^403487065 is an apocalyptic number.

It is an amenable number.

403487065 is a deficient number, since it is larger than the sum of its proper divisors (88952615).

403487065 is a wasteful number, since it uses less digits than its factorization.

403487065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 403487065 is about 20086.9874545687. The cubic root of 403487065 is about 738.9411841765.

The spelling of 403487065 in words is "four hundred three million, four hundred eighty-seven thousand, sixty-five".