649328300 has 18 divisors (see below), whose sum is σ = 1409042628. Its totient is φ = 259731280.

The previous prime is 649328291. The next prime is 649328333. The reversal of 649328300 is 3823946.

It is a happy 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, 3246542 + ... + 3246741.

It is an arithmetic number, because the mean of its divisors is an integer number (78280146).

Almost surely, 2^649328300 is an apocalyptic number.

It is an amenable number.

649328300 is an abundant number, since it is smaller than the sum of its proper divisors (759714328).

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

649328300 is a wasteful number, since it uses less digits than its factorization.

649328300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493297 (or 6493290 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 649328300 is about 25481.9210421820. The cubic root of 649328300 is about 865.9406164444.

The spelling of 649328300 in words is "six hundred forty-nine million, three hundred twenty-eight thousand, three hundred".