4064287 has 4 divisors (see below), whose sum is σ = 4125016. Its totient is φ = 4003560.

The previous prime is 4064243. The next prime is 4064299. The reversal of 4064287 is 7824604.

4064287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4064287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4064227) 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 in 3 ways as a sum of consecutive naturals, for example, 30264 + ... + 30397.

It is an arithmetic number, because the mean of its divisors is an integer number (1031254).

Almost surely, 2^4064287 is an apocalyptic number.

4064287 is a deficient number, since it is larger than the sum of its proper divisors (60729).

4064287 is an equidigital number, since it uses as much as digits as its factorization.

4064287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60728.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 4064287 is about 2016.0076884774. The cubic root of 4064287 is about 159.5860000115.

Subtracting from 4064287 its sum of digits (31), we obtain a square (4064256 = 2016²).

The spelling of 4064287 in words is "four million, sixty-four thousand, two hundred eighty-seven".