6397854 has 16 divisors (see below), whose sum is σ = 12940560. Its totient is φ = 2108480.

The previous prime is 6397849. The next prime is 6397871. The reversal of 6397854 is 4587936.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 5457 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (808785).

Almost surely, 2^6397854 is an apocalyptic number.

6397854 is an abundant number, since it is smaller than the sum of its proper divisors (6542706).

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

6397854 is a wasteful number, since it uses less digits than its factorization.

6397854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12075.

The product of its digits is 181440, while the sum is 42.

The square root of 6397854 is about 2529.3979520827. The cubic root of 6397854 is about 185.6427992546.

The spelling of 6397854 in words is "six million, three hundred ninety-seven thousand, eight hundred fifty-four".