6400466 has 8 divisors (see below), whose sum is σ = 10165500. Its totient is φ = 3011968.

The previous prime is 6400453. The next prime is 6400489. The reversal of 6400466 is 6640046.

It can be written as a sum of positive squares in 2 ways, for example, as 6145441 + 255025 = 2479^2 + 505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94091 + ... + 94158.

Almost surely, 2^6400466 is an apocalyptic number.

6400466 is a deficient number, since it is larger than the sum of its proper divisors (3765034).

6400466 is a wasteful number, since it uses less digits than its factorization.

6400466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188268.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 6400466 is about 2529.9142277951. The cubic root of 6400466 is about 185.6680594443.

The spelling of 6400466 in words is "six million, four hundred thousand, four hundred sixty-six".