649026308 has 24 divisors (see below), whose sum is σ = 1299746112. Its totient is φ = 277791264.

The previous prime is 649026299. The next prime is 649026331. The reversal of 649026308 is 803620946.

649026308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×649026308² = 842470296952221728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7310 + ... + 36762.

It is an arithmetic number, because the mean of its divisors is an integer number (54156088).

Almost surely, 2^649026308 is an apocalyptic number.

It is an amenable number.

649026308 is an abundant number, since it is smaller than the sum of its proper divisors (650719804).

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

649026308 is a wasteful number, since it uses less digits than its factorization.

649026308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30251 (or 30249 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 649026308 is about 25475.9947401470. The cubic root of 649026308 is about 865.8063506757.

The spelling of 649026308 in words is "six hundred forty-nine million, twenty-six thousand, three hundred eight".