4921648 has 20 divisors (see below), whose sum is σ = 9865440. Its totient is φ = 2375744.

The previous prime is 4921643. The next prime is 4921667. The reversal of 4921648 is 8461294.

It is not an unprimeable number, because it can be changed into a prime (4921643) 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, 4840 + ... + 5767.

It is an arithmetic number, because the mean of its divisors is an integer number (493272).

Almost surely, 2^4921648 is an apocalyptic number.

It is an amenable number.

4921648 is an abundant number, since it is smaller than the sum of its proper divisors (4943792).

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

4921648 is a wasteful number, since it uses less digits than its factorization.

4921648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10644 (or 10638 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 4921648 is about 2218.4787580682. The cubic root of 4921648 is about 170.0996877832.

The spelling of 4921648 in words is "four million, nine hundred twenty-one thousand, six hundred forty-eight".