649093248 has 48 divisors (see below), whose sum is σ = 1867836750. Its totient is φ = 216364032.

The previous prime is 649093243. The next prime is 649093261. The reversal of 649093248 is 842390946.

It can be written as a sum of positive squares in only one way, i.e., 619412544 + 29680704 = 24888^2 + 5448^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (649093243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280573 + ... + 282876.

Almost surely, 2^649093248 is an apocalyptic number.

It is an amenable number.

649093248 is an abundant number, since it is smaller than the sum of its proper divisors (1218743502).

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

649093248 is a wasteful number, since it uses less digits than its factorization.

649093248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563469 (or 563454 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 649093248 is about 25477.3084920680. The cubic root of 649093248 is about 865.8361158198.

The spelling of 649093248 in words is "six hundred forty-nine million, ninety-three thousand, two hundred forty-eight".