6366481 has 8 divisors (see below), whose sum is σ = 6971328. Its totient is φ = 5766000.

The previous prime is 6366473. The next prime is 6366487. The reversal of 6366481 is 1846636.

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 6366481 - 2³ = 6366473 is a prime.

It is a super-2 number, since 2×6366481² = 81064160646722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6366487) 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, 2491 + ... + 4351.

It is an arithmetic number, because the mean of its divisors is an integer number (871416).

Almost surely, 2^6366481 is an apocalyptic number.

It is an amenable number.

6366481 is a deficient number, since it is larger than the sum of its proper divisors (604847).

6366481 is a wasteful number, since it uses less digits than its factorization.

6366481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183.

The product of its digits is 20736, while the sum is 34.

The square root of 6366481 is about 2523.1886572351. The cubic root of 6366481 is about 185.3388578856.

It can be divided in two parts, 636 and 6481, that added together give a palindrome (7117).

The spelling of 6366481 in words is "six million, three hundred sixty-six thousand, four hundred eighty-one".