649282946 has 16 divisors (see below), whose sum is σ = 1060630200. Its totient is φ = 296300928.

The previous prime is 649282897. The next prime is 649282961.

It is a happy number.

649282946 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 281065225 + 368217721 = 16765^2 + 19189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 649282894 and 649282903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137981 + ... + 142608.

Almost surely, 2^649282946 is an apocalyptic number.

649282946 is a deficient number, since it is larger than the sum of its proper divisors (411347254).

649282946 is a wasteful number, since it uses less digits than its factorization.

649282946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280693.

The product of its digits is 1492992, while the sum is 50.

The square root of 649282946 is about 25481.0311015861. The cubic root of 649282946 is about 865.9204546941.

The spelling of 649282946 in words is "six hundred forty-nine million, two hundred eighty-two thousand, nine hundred forty-six".