6240387 has 4 divisors (see below), whose sum is σ = 8320520. Its totient is φ = 4160256.

The previous prime is 6240373. The next prime is 6240401. The reversal of 6240387 is 7830426.

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

It is an interprime number because it is at equal distance from previous prime (6240373) and next prime (6240401).

It is not a de Polignac number, because 6240387 - 2¹⁸ = 5978243 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6240187) 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, 1040062 + ... + 1040067.

It is an arithmetic number, because the mean of its divisors is an integer number (2080130).

Almost surely, 2^6240387 is an apocalyptic number.

6240387 is a deficient number, since it is larger than the sum of its proper divisors (2080133).

6240387 is a wasteful number, since it uses less digits than its factorization.

6240387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080132.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 6240387 is about 2498.0766601528. The cubic root of 6240387 is about 184.1070875529.

The spelling of 6240387 in words is "six million, two hundred forty thousand, three hundred eighty-seven".