649032 has 16 divisors (see below), whose sum is σ = 1622640. Its totient is φ = 216336.

The previous prime is 649007. The next prime is 649039. The reversal of 649032 is 230946.

649032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 27043 = 649032 / (6 + 4 + 9 + 0 + 3 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 648993 and 649011.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649032.

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

649032 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13498 + ... + 13545.

It is an arithmetic number, because the mean of its divisors is an integer number (101415).

2⁶⁴⁹⁰³² is an apocalyptic number.

It is an amenable number.

649032 is an abundant number, since it is smaller than the sum of its proper divisors (973608).

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

649032 is a wasteful number, since it uses less digits than its factorization.

649032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27052 (or 27048 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 649032 is about 805.6252230411. The cubic root of 649032 is about 86.5808881726.

Adding to 649032 its reverse (230946), we get a palindrome (879978).

The spelling of 649032 in words is "six hundred forty-nine thousand, thirty-two".