4456648 has 24 divisors (see below), whose sum is σ = 9721350. Its totient is φ = 1909824.

The previous prime is 4456643. The next prime is 4456651. The reversal of 4456648 is 8466544.

It can be written as a sum of positive squares in only one way, i.e., 3678724 + 777924 = 1918^2 + 882^2 .

It is a super-2 number, since 2×4456648² = 39723422791808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4456643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5293 + ... + 6076.

Almost surely, 2^4456648 is an apocalyptic number.

It is an amenable number.

4456648 is an abundant number, since it is smaller than the sum of its proper divisors (5264702).

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

4456648 is a wasteful number, since it uses less digits than its factorization.

4456648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11389 (or 11378 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 4456648 is about 2111.0774500240. The cubic root of 4456648 is about 164.5644835468.

The spelling of 4456648 in words is "four million, four hundred fifty-six thousand, six hundred forty-eight".