649894296 has 32 divisors (see below), whose sum is σ = 1627095600. Its totient is φ = 216316800.

The previous prime is 649894291. The next prime is 649894319. The reversal of 649894296 is 692498946.

649894296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649894291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491 + ... + 36138.

Almost surely, 2^649894296 is an apocalyptic number.

It is an amenable number.

649894296 is an abundant number, since it is smaller than the sum of its proper divisors (977201304).

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

649894296 is a wasteful number, since it uses less digits than its factorization.

649894296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39339 (or 39335 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 649894296 is about 25493.0244576825. The cubic root of 649894296 is about 866.1921464166.

The spelling of 649894296 in words is "six hundred forty-nine million, eight hundred ninety-four thousand, two hundred ninety-six".