6387834 has 16 divisors (see below), whose sum is σ = 12801600. Its totient is φ = 2124960.

The previous prime is 6387827. The next prime is 6387853. The reversal of 6387834 is 4387836.

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

It is a junction number, because it is equal to n+sod(n) for n = 6387792 and 6387801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3867 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (800100).

Almost surely, 2^6387834 is an apocalyptic number.

6387834 is an abundant number, since it is smaller than the sum of its proper divisors (6413766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6387834 is a wasteful number, since it uses less digits than its factorization.

6387834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165.

The product of its digits is 96768, while the sum is 39.

The square root of 6387834 is about 2527.4164674624. The cubic root of 6387834 is about 185.5458337835.

The spelling of 6387834 in words is "six million, three hundred eighty-seven thousand, eight hundred thirty-four".