6387478 has 24 divisors (see below), whose sum is σ = 10455192. Its totient is φ = 2924544.

The previous prime is 6387463. The next prime is 6387487. The reversal of 6387478 is 8747836.

6387478 is nontrivially palindromic in base 16.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an alternating number because its digits alternate between even and odd.

Its product of digits (225792) is a multiple of the sum of its prime factors (336).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24726 + ... + 24982.

It is an arithmetic number, because the mean of its divisors is an integer number (435633).

Almost surely, 2^6387478 is an apocalyptic number.

6387478 is a deficient number, since it is larger than the sum of its proper divisors (4067714).

6387478 is a wasteful number, since it uses less digits than its factorization.

6387478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 319 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 6387478 is about 2527.3460388320. The cubic root of 6387478 is about 185.5423868381.

The spelling of 6387478 in words is "six million, three hundred eighty-seven thousand, four hundred seventy-eight".