649230368 has 24 divisors (see below), whose sum is σ = 1278950400. Its totient is φ = 324417600.

The previous prime is 649230293. The next prime is 649230401. The reversal of 649230368 is 863032946.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57233 + ... + 67631.

It is an arithmetic number, because the mean of its divisors is an integer number (53289600).

Almost surely, 2^649230368 is an apocalyptic number.

It is an amenable number.

649230368 is a deficient number, since it is larger than the sum of its proper divisors (629720032).

649230368 is a wasteful number, since it uses less digits than its factorization.

649230368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360 (or 12352 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 649230368 is about 25479.9993720565. Note that the first 3 decimals coincide. The cubic root of 649230368 is about 865.8970803985.

The spelling of 649230368 in words is "six hundred forty-nine million, two hundred thirty thousand, three hundred sixty-eight".