6397471 has 8 divisors (see below), whose sum is σ = 6862320. Its totient is φ = 5945472.

The previous prime is 6397463. The next prime is 6397493. The reversal of 6397471 is 1747936.

6397471 = T₄₄₅ + T₄₄₆ + ... + T₅₀₁.

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 6397471 - 2³ = 6397463 is a prime.

It is a super-3 number, since 3×6397471³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6397471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2170 + ... + 4183.

It is an arithmetic number, because the mean of its divisors is an integer number (857790).

Almost surely, 2^6397471 is an apocalyptic number.

6397471 is a deficient number, since it is larger than the sum of its proper divisors (464849).

6397471 is a wasteful number, since it uses less digits than its factorization.

6397471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425.

The product of its digits is 31752, while the sum is 37.

The square root of 6397471 is about 2529.3222412338. The cubic root of 6397471 is about 185.6390947514.

The spelling of 6397471 in words is "six million, three hundred ninety-seven thousand, four hundred seventy-one".