649852 has 12 divisors (see below), whose sum is σ = 1299760. Its totient is φ = 278496.

The previous prime is 649849. The next prime is 649867. The reversal of 649852 is 258946.

It is a happy number.

649852 is an admirable number.

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, 11577 + ... + 11632.

2⁶⁴⁹⁸⁵² is an apocalyptic number.

It is an amenable number.

649852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

649852 is a wasteful number, since it uses less digits than its factorization.

649852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23220 (or 23218 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 649852 is about 806.1339839009. The cubic root of 649852 is about 86.6173355023.

The spelling of 649852 in words is "six hundred forty-nine thousand, eight hundred fifty-two".