649284 has 24 divisors (see below), whose sum is σ = 1541568. Its totient is φ = 212640.

The previous prime is 649283. The next prime is 649291. The reversal of 649284 is 482946.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649284.

It is not an unprimeable number, because it can be changed into a prime (649283) 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, 289 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (64232).

2⁶⁴⁹²⁸⁴ is an apocalyptic number.

It is an amenable number.

649284 is an abundant number, since it is smaller than the sum of its proper divisors (892284).

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

649284 is a wasteful number, since it uses less digits than its factorization.

649284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 953 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 649284 is about 805.7816081296. The cubic root of 649284 is about 86.5920923252.

The spelling of 649284 in words is "six hundred forty-nine thousand, two hundred eighty-four".