6464630 has 16 divisors (see below), whose sum is σ = 11834640. Its totient is φ = 2541792.

The previous prime is 6464611. The next prime is 6464639. The reversal of 6464630 is 364646.

It is a junction number, because it is equal to n+sod(n) for n = 6464593 and 6464602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464639) by changing a digit.

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, 4889 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (739665).

Almost surely, 2^6464630 is an apocalyptic number.

6464630 is a deficient number, since it is larger than the sum of its proper divisors (5370010).

6464630 is a wasteful number, since it uses less digits than its factorization.

6464630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11023.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 6464630 is about 2542.5636668528. The cubic root of 6464630 is about 186.2864319225.

The spelling of 6464630 in words is "six million, four hundred sixty-four thousand, six hundred thirty".