6466427 has 16 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 5517600.

The previous prime is 6466417. The next prime is 6466429. The reversal of 6466427 is 7246646.

It is a happy number.

It is not a de Polignac number, because 6466427 - 2⁶ = 6466363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6466429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15224 + ... + 15642.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 2^6466427 is an apocalyptic number.

6466427 is a deficient number, since it is larger than the sum of its proper divisors (1033093).

6466427 is a wasteful number, since it uses less digits than its factorization.

6466427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its digits is 48384, while the sum is 35.

The square root of 6466427 is about 2542.9170257796. The cubic root of 6466427 is about 186.3036912606.

The spelling of 6466427 in words is "six million, four hundred sixty-six thousand, four hundred twenty-seven".