6394863 has 8 divisors (see below), whose sum is σ = 8552448. Its totient is φ = 4250264.

The previous prime is 6394859. The next prime is 6394879. The reversal of 6394863 is 3684936.

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

It is a cyclic number.

It is not a de Polignac number, because 6394863 - 2² = 6394859 is a prime.

It is a d-powerful number, because it can be written as 6³ + 3⁵ + 9⁷ + 4⁷ + 8³ + 6³ + 3¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394823) 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, 2031 + ... + 4112.

It is an arithmetic number, because the mean of its divisors is an integer number (1069056).

Almost surely, 2^6394863 is an apocalyptic number.

6394863 is a deficient number, since it is larger than the sum of its proper divisors (2157585).

6394863 is a wasteful number, since it uses less digits than its factorization.

6394863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493.

The product of its digits is 93312, while the sum is 39.

The square root of 6394863 is about 2528.8066355497. The cubic root of 6394863 is about 185.6138653775.

The spelling of 6394863 in words is "six million, three hundred ninety-four thousand, eight hundred sixty-three".