6378834 has 32 divisors (see below), whose sum is σ = 15906816. Its totient is φ = 1656720.

The previous prime is 6378787. The next prime is 6378847. The reversal of 6378834 is 4388736.

It is a junction number, because it is equal to n+sod(n) for n = 6378792 and 6378801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6442 + ... + 7365.

It is an arithmetic number, because the mean of its divisors is an integer number (497088).

Almost surely, 2^6378834 is an apocalyptic number.

6378834 is an abundant number, since it is smaller than the sum of its proper divisors (9527982).

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

6378834 is a wasteful number, since it uses less digits than its factorization.

6378834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13830.

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

The square root of 6378834 is about 2525.6353656060. The cubic root of 6378834 is about 185.4586525689.

The spelling of 6378834 in words is "six million, three hundred seventy-eight thousand, eight hundred thirty-four".