6387407 has 4 divisors (see below), whose sum is σ = 6878760. Its totient is φ = 5896056.

The previous prime is 6387383. The next prime is 6387413. The reversal of 6387407 is 7047836.

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

It is a cyclic number.

It is not a de Polignac number, because 6387407 - 2¹⁶ = 6321871 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 (6387487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245657 + ... + 245682.

It is an arithmetic number, because the mean of its divisors is an integer number (1719690).

Almost surely, 2^6387407 is an apocalyptic number.

6387407 is a deficient number, since it is larger than the sum of its proper divisors (491353).

6387407 is a wasteful number, since it uses less digits than its factorization.

6387407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491352.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 6387407 is about 2527.3319924379. The cubic root of 6387407 is about 185.5416993702.

The spelling of 6387407 in words is "six million, three hundred eighty-seven thousand, four hundred seven".