649468 has 12 divisors (see below), whose sum is σ = 1203552. Its totient is φ = 305600.

The previous prime is 649457. The next prime is 649469. The reversal of 649468 is 864946.

649468 is nontrivially palindromic in base 9.

It is a zygodrome in base 9.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4708 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (100296).

2⁶⁴⁹⁴⁶⁸ is an apocalyptic number.

649468 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

649468 is a deficient number, since it is larger than the sum of its proper divisors (554084).

649468 is a wasteful number, since it uses less digits than its factorization.

649468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572 (or 9570 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 649468 is about 805.8957748990. The cubic root of 649468 is about 86.6002713040.

The spelling of 649468 in words is "six hundred forty-nine thousand, four hundred sixty-eight".