649848336 has 160 divisors (see below), whose sum is σ = 1841072640. Its totient is φ = 196826112.

The previous prime is 649848323. The next prime is 649848349. The reversal of 649848336 is 633848946.

It is a happy number.

649848336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (649848323) and next prime (649848349).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2862655 + ... + 2862881.

It is an arithmetic number, because the mean of its divisors is an integer number (11506704).

Almost surely, 2^649848336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 649848336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920536320).

649848336 is an abundant number, since it is smaller than the sum of its proper divisors (1191224304).

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

649848336 is a wasteful number, since it uses less digits than its factorization.

649848336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 367 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 51.

The square root of 649848336 is about 25492.1230186895. The cubic root of 649848336 is about 866.1717271322.

The spelling of 649848336 in words is "six hundred forty-nine million, eight hundred forty-eight thousand, three hundred thirty-six".