4047648 has 48 divisors (see below), whose sum is σ = 11594016. Its totient is φ = 1226240.

The previous prime is 4047647. The next prime is 4047697. The reversal of 4047648 is 8467404.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (4047647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (241542).

Almost surely, 2^4047648 is an apocalyptic number.

4047648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4047648 is an abundant number, since it is smaller than the sum of its proper divisors (7546368).

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

4047648 is a wasteful number, since it uses less digits than its factorization.

4047648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857 (or 3849 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 4047648 is about 2011.8767357868. The cubic root of 4047648 is about 159.3679229460.

The spelling of 4047648 in words is "four million, forty-seven thousand, six hundred forty-eight".