4287478 has 16 divisors (see below), whose sum is σ = 6997536. Its totient is φ = 1958400.

The previous prime is 4287473. The next prime is 4287511. The reversal of 4287478 is 8747824.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4287478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287473) 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 in 7 ways as a sum of consecutive naturals, for example, 1878 + ... + 3478.

It is an arithmetic number, because the mean of its divisors is an integer number (437346).

Almost surely, 2^4287478 is an apocalyptic number.

4287478 is a deficient number, since it is larger than the sum of its proper divisors (2710058).

4287478 is a wasteful number, since it uses less digits than its factorization.

4287478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its digits is 100352, while the sum is 40.

The square root of 4287478 is about 2070.6226116799. The cubic root of 4287478 is about 162.4553313122.

The spelling of 4287478 in words is "four million, two hundred eighty-seven thousand, four hundred seventy-eight".