4071648 has 96 divisors (see below), whose sum is σ = 12531456. Its totient is φ = 1133568.

The previous prime is 4071647. The next prime is 4071659. The reversal of 4071648 is 8461704.

It is a tau number, because it is divible by the number of its divisors (96).

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4071647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49015 + ... + 49097.

It is an arithmetic number, because the mean of its divisors is an integer number (130536).

Almost surely, 2^4071648 is an apocalyptic number.

4071648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4071648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6265728).

4071648 is an abundant number, since it is smaller than the sum of its proper divisors (8459808).

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

4071648 is a wasteful number, since it uses less digits than its factorization.

4071648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 4071648 is about 2017.8325004816. The cubic root of 4071648 is about 159.6822861964.

The spelling of 4071648 in words is "four million, seventy-one thousand, six hundred forty-eight".