6430464 has 54 divisors (see below), whose sum is σ = 18547256. Its totient is φ = 2142720.

The previous prime is 6430453. The next prime is 6430477. The reversal of 6430464 is 4640346.

It is a happy number.

It is an Ulam number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 909 + ... + 3699.

Almost surely, 2^6430464 is an apocalyptic number.

6430464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6430464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9273628).

6430464 is an abundant number, since it is smaller than the sum of its proper divisors (12116792).

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

6430464 is a wasteful number, since it uses less digits than its factorization.

6430464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 6430464 is about 2535.8359568395. The cubic root of 6430464 is about 185.9576733379.

The spelling of 6430464 in words is "six million, four hundred thirty thousand, four hundred sixty-four".