6400327 has 4 divisors (see below), whose sum is σ = 6407856. Its totient is φ = 6392800.

The previous prime is 6400259. The next prime is 6400349. The reversal of 6400327 is 7230046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6400327 is a prime.

It is a super-4 number, since 4×6400327⁴ (a number of 28 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6400298 and 6400307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2299 + ... + 4252.

It is an arithmetic number, because the mean of its divisors is an integer number (1601964).

Almost surely, 2^6400327 is an apocalyptic number.

6400327 is a deficient number, since it is larger than the sum of its proper divisors (7529).

6400327 is an equidigital number, since it uses as much as digits as its factorization.

6400327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 6400327 is about 2529.8867563589. The cubic root of 6400327 is about 185.6667153731. Note that the first 3 decimals are identical.

The spelling of 6400327 in words is "six million, four hundred thousand, three hundred twenty-seven".