4909648 has 10 divisors (see below), whose sum is σ = 9512474. Its totient is φ = 2454816.

The previous prime is 4909643. The next prime is 4909679. The reversal of 4909648 is 8469094.

It can be written as a sum of positive squares in only one way, i.e., 3717184 + 1192464 = 1928^2 + 1092^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4909648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153411 + ... + 153442.

Almost surely, 2^4909648 is an apocalyptic number.

It is an amenable number.

4909648 is a deficient number, since it is larger than the sum of its proper divisors (4602826).

4909648 is a wasteful number, since it uses less digits than its factorization.

4909648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306861 (or 306855 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4909648 is about 2215.7725515043. The cubic root of 4909648 is about 169.9613291509.

The spelling of 4909648 in words is "four million, nine hundred nine thousand, six hundred forty-eight".