649206334 has 8 divisors (see below), whose sum is σ = 1112925168. Its totient is φ = 278231280.

The previous prime is 649206287. The next prime is 649206359. The reversal of 649206334 is 433602946.

649206334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 649206293 and 649206302.

It is a congruent number.

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, 23185927 + ... + 23185954.

It is an arithmetic number, because the mean of its divisors is an integer number (139115646).

Almost surely, 2^649206334 is an apocalyptic number.

649206334 is a deficient number, since it is larger than the sum of its proper divisors (463718834).

649206334 is a wasteful number, since it uses less digits than its factorization.

649206334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46371890.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 649206334 is about 25479.5277428762. The cubic root of 649206334 is about 865.8863953226.

The spelling of 649206334 in words is "six hundred forty-nine million, two hundred six thousand, three hundred thirty-four".