649034 has 4 divisors (see below), whose sum is σ = 973554. Its totient is φ = 324516.

The previous prime is 649007. The next prime is 649039. The reversal of 649034 is 430946.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 644809 + 4225 = 803^2 + 65^2 .

It is a junction number, because it is equal to n+sod(n) for n = 648994 and 649012.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649034.

It is not an unprimeable number, because it can be changed into a prime (649039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162257 + ... + 162260.

2⁶⁴⁹⁰³⁴ is an apocalyptic number.

649034 is a deficient number, since it is larger than the sum of its proper divisors (324520).

649034 is a wasteful number, since it uses less digits than its factorization.

649034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324519.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 649034 is about 805.6264643121. The cubic root of 649034 is about 86.5809771059.

The spelling of 649034 in words is "six hundred forty-nine thousand, thirty-four".