649467 has 36 divisors (see below), whose sum is σ = 1179984. Its totient is φ = 336960.

The previous prime is 649457. The next prime is 649469. The reversal of 649467 is 764946.

649467 is a `hidden beast` number, since 649 + 4 + 6 + 7 = 666.

It is not a de Polignac number, because 649467 - 2⁶ = 649403 is a prime.

Its product of digits (36288) is a multiple of the sum of its prime divisors (84).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649467.

It is not an unprimeable number, because it can be changed into a prime (649469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10617 + ... + 10677.

2⁶⁴⁹⁴⁶⁷ is an apocalyptic number.

649467 is a deficient number, since it is larger than the sum of its proper divisors (530517).

649467 is a wasteful number, since it uses less digits than its factorization.

649467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 84 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 649467 is about 805.8951544711. The cubic root of 649467 is about 86.6002268572.

It can be divided in two parts, 6494 and 67, that added together give a 8-th power (6561 = 3⁸).

The spelling of 649467 in words is "six hundred forty-nine thousand, four hundred sixty-seven".