6387243 has 8 divisors (see below), whose sum is σ = 8531856. Its totient is φ = 4250400.

The previous prime is 6387217. The next prime is 6387259. The reversal of 6387243 is 3427836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6387243 - 2⁶ = 6387179 is a prime.

It is a d-powerful number, because it can be written as 6³ + 3¹³ + 8³ + 7 + 2¹³ + 4⁵ + 3¹⁴ .

It is not an unprimeable number, because it can be changed into a prime (6317243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373 + ... + 3593.

It is an arithmetic number, because the mean of its divisors is an integer number (1066482).

Almost surely, 2^6387243 is an apocalyptic number.

6387243 is a deficient number, since it is larger than the sum of its proper divisors (2144613).

6387243 is a wasteful number, since it uses less digits than its factorization.

6387243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885.

The product of its digits is 24192, while the sum is 33.

The square root of 6387243 is about 2527.2995469473. The cubic root of 6387243 is about 185.5401113967.

The spelling of 6387243 in words is "six million, three hundred eighty-seven thousand, two hundred forty-three".