649794 has 16 divisors (see below), whose sum is σ = 1335168. Its totient is φ = 210672.

The previous prime is 649793. The next prime is 649799. The reversal of 649794 is 497946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242 + ... + 1685.

It is an arithmetic number, because the mean of its divisors is an integer number (83448).

2⁶⁴⁹⁷⁹⁴ is an apocalyptic number.

649794 is an abundant number, since it is smaller than the sum of its proper divisors (685374).

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

649794 is a wasteful number, since it uses less digits than its factorization.

649794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969.

The product of its digits is 54432, while the sum is 39.

The square root of 649794 is about 806.0980089294. The cubic root of 649794 is about 86.6147585284.

The spelling of 649794 in words is "six hundred forty-nine thousand, seven hundred ninety-four".