649334 has 8 divisors (see below), whose sum is σ = 1113168. Its totient is φ = 278280.

The previous prime is 649321. The next prime is 649361. The reversal of 649334 is 433946.

It is a happy number.

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 = 649297 and 649306.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 23177 + ... + 23204.

It is an arithmetic number, because the mean of its divisors is an integer number (139146).

2⁶⁴⁹³³⁴ is an apocalyptic number.

649334 is a deficient number, since it is larger than the sum of its proper divisors (463834).

649334 is a wasteful number, since it uses less digits than its factorization.

649334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46390.

The product of its digits is 7776, while the sum is 29.

The square root of 649334 is about 805.8126333088. The cubic root of 649334 is about 86.5943150266.

The spelling of 649334 in words is "six hundred forty-nine thousand, three hundred thirty-four".