6381466 has 24 divisors (see below), whose sum is σ = 11993940. Its totient is φ = 2524032.

The previous prime is 6381461. The next prime is 6381467. The reversal of 6381466 is 6641836.

It can be written as a sum of positive squares in 2 ways, for example, as 6105841 + 275625 = 2471^2 + 525^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6381461) 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 11 ways as a sum of consecutive naturals, for example, 1231 + ... + 3778.

Almost surely, 2^6381466 is an apocalyptic number.

6381466 is a deficient number, since it is larger than the sum of its proper divisors (5612474).

6381466 is a wasteful number, since it uses less digits than its factorization.

6381466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038 (or 5031 counting only the distinct ones).

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

The square root of 6381466 is about 2526.1563688735. The cubic root of 6381466 is about 185.4841567103.

The spelling of 6381466 in words is "six million, three hundred eighty-one thousand, four hundred sixty-six".