649843350 has 48 divisors (see below), whose sum is σ = 1735586832. Its totient is φ = 159960960.

The previous prime is 649843319. The next prime is 649843361. The reversal of 649843350 is 53348946.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164677 + ... + 168576.

It is an arithmetic number, because the mean of its divisors is an integer number (36158059).

Almost surely, 2^649843350 is an apocalyptic number.

649843350 is an abundant number, since it is smaller than the sum of its proper divisors (1085743482).

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

649843350 is a wasteful number, since it uses less digits than its factorization.

649843350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333281 (or 333276 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 649843350 is about 25492.0252235871. The cubic root of 649843350 is about 866.1695118751.

The spelling of 649843350 in words is "six hundred forty-nine million, eight hundred forty-three thousand, three hundred fifty".