648954 has 24 divisors (see below), whose sum is σ = 1452672. Its totient is φ = 209160.

The previous prime is 648953. The next prime is 648961. The reversal of 648954 is 459846.

648954 is a `hidden beast` number, since 648 + 9 + 5 + 4 = 666.

It is a super-2 number, since 2×648954² = 842282588232, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648954.

It is not an unprimeable number, because it can be changed into a prime (648953) 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 11 ways as a sum of consecutive naturals, for example, 24 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (60528).

2⁶⁴⁸⁹⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726336).

648954 is an abundant number, since it is smaller than the sum of its proper divisors (803718).

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

648954 is a wasteful number, since it uses less digits than its factorization.

648954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1199 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 648954 is about 805.5768119801. The cubic root of 648954 is about 86.5774196329.

The spelling of 648954 in words is "six hundred forty-eight thousand, nine hundred fifty-four".