6466408 has 32 divisors (see below), whose sum is σ = 13212360. Its totient is φ = 2949120.

The previous prime is 6466399. The next prime is 6466417. The reversal of 6466408 is 8046646.

It is an interprime number because it is at equal distance from previous prime (6466399) and next prime (6466417).

It can be written as a sum of positive squares in 4 ways, for example, as 5579044 + 887364 = 2362^2 + 942^2 .

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 7 ways as a sum of consecutive naturals, for example, 9768 + ... + 10408.

Almost surely, 2^6466408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6466408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6606180).

6466408 is an abundant number, since it is smaller than the sum of its proper divisors (6745952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6466408 is a wasteful number, since it uses less digits than its factorization.

6466408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 6466408 is about 2542.9132899098. The cubic root of 6466408 is about 186.3035087913.

The spelling of 6466408 in words is "six million, four hundred sixty-six thousand, four hundred eight".