6366387 has 16 divisors (see below), whose sum is σ = 9086720. Its totient is φ = 3952800.

The previous prime is 6366361. The next prime is 6366391. The reversal of 6366387 is 7836636.

It is a happy number.

It is not a de Polignac number, because 6366387 - 2¹¹ = 6364339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6366317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562 + ... + 4392.

It is an arithmetic number, because the mean of its divisors is an integer number (567920).

Almost surely, 2^6366387 is an apocalyptic number.

6366387 is a deficient number, since it is larger than the sum of its proper divisors (2720333).

6366387 is a wasteful number, since it uses less digits than its factorization.

6366387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914.

The product of its digits is 108864, while the sum is 39.

The square root of 6366387 is about 2523.1700299425. The cubic root of 6366387 is about 185.3379457156.

It can be divided in two parts, 6366 and 387, that multiplied together give a palindrome (2463642).

The spelling of 6366387 in words is "six million, three hundred sixty-six thousand, three hundred eighty-seven".