6464900 has 36 divisors (see below), whose sum is σ = 15111012. Its totient is φ = 2386560.

The previous prime is 6464891. The next prime is 6464917. The reversal of 6464900 is 94646.

It can be written as a sum of positive squares in 6 ways, for example, as 432964 + 6031936 = 658^2 + 2456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1187 + ... + 3786.

Almost surely, 2^6464900 is an apocalyptic number.

It is an amenable number.

6464900 is an abundant number, since it is smaller than the sum of its proper divisors (8646112).

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

6464900 is a wasteful number, since it uses less digits than its factorization.

6464900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000 (or 4993 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6464900 is about 2542.6167623140. The cubic root of 6464900 is about 186.2890253494.

The spelling of 6464900 in words is "six million, four hundred sixty-four thousand, nine hundred".