649484 has 24 divisors (see below), whose sum is σ = 1285200. Its totient is φ = 284480.

The previous prime is 649483. The next prime is 649487. The reversal of 649484 is 484946.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649484.

It is not an unprimeable number, because it can be changed into a prime (649483) 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, 1022 + ... + 1530.

It is an arithmetic number, because the mean of its divisors is an integer number (53550).

2⁶⁴⁹⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

649484 is a deficient number, since it is larger than the sum of its proper divisors (635716).

649484 is a wasteful number, since it uses less digits than its factorization.

649484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 551 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 649484 is about 805.9057016798. The cubic root of 649484 is about 86.6009824465.

The spelling of 649484 in words is "six hundred forty-nine thousand, four hundred eighty-four".