6481466 has 4 divisors (see below), whose sum is σ = 9722202. Its totient is φ = 3240732.

The previous prime is 6481463. The next prime is 6481477. The reversal of 6481466 is 6641846.

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

It can be written as a sum of positive squares in only one way, i.e., 6355441 + 126025 = 2521^2 + 355^2 .

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6481463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620365 + ... + 1620368.

Almost surely, 2^6481466 is an apocalyptic number.

6481466 is a deficient number, since it is larger than the sum of its proper divisors (3240736).

6481466 is a wasteful number, since it uses less digits than its factorization.

6481466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240735.

The product of its digits is 27648, while the sum is 35.

The square root of 6481466 is about 2545.8723455822. The cubic root of 6481466 is about 186.4480085652.

It can be divided in two parts, 64814 and 66, that multiplied together give a palindrome (4277724).

The spelling of 6481466 in words is "six million, four hundred eighty-one thousand, four hundred sixty-six".