649832 has 16 divisors (see below), whose sum is σ = 1260900. Its totient is φ = 313600.

The previous prime is 649829. The next prime is 649843. The reversal of 649832 is 238946.

649832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 649636 + 196 = 806^2 + 14^2 .

It is a nialpdrome in base 15.

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, 1169 + ... + 1632.

2⁶⁴⁹⁸³² is an apocalyptic number.

It is an amenable number.

649832 is a deficient number, since it is larger than the sum of its proper divisors (611068).

649832 is a wasteful number, since it uses less digits than its factorization.

649832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2832 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 649832 is about 806.1215789197. The cubic root of 649832 is about 86.6164469080.

It can be divided in two parts, 6498 and 32, that multiplied together give a square (207936 = 456²).

The spelling of 649832 in words is "six hundred forty-nine thousand, eight hundred thirty-two".