4781648 has 10 divisors (see below), whose sum is σ = 9264474. Its totient is φ = 2390816.

The previous prime is 4781629. The next prime is 4781653. The reversal of 4781648 is 8461874.

It can be written as a sum of positive squares in only one way, i.e., 4631104 + 150544 = 2152^2 + 388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149411 + ... + 149442.

Almost surely, 2^4781648 is an apocalyptic number.

It is an amenable number.

4781648 is a deficient number, since it is larger than the sum of its proper divisors (4482826).

4781648 is a wasteful number, since it uses less digits than its factorization.

4781648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298861 (or 298855 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 4781648 is about 2186.6979672557. The cubic root of 4781648 is about 168.4712768799.

The spelling of 4781648 in words is "four million, seven hundred eighty-one thousand, six hundred forty-eight".