4131568 has 40 divisors (see below), whose sum is σ = 9405152. Its totient is φ = 1721088.

The previous prime is 4131539. The next prime is 4131577. The reversal of 4131568 is 8651314.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3646 + ... + 4642.

Almost surely, 2^4131568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4131568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4702576).

4131568 is an abundant number, since it is smaller than the sum of its proper divisors (5273584).

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

4131568 is a wasteful number, since it uses less digits than its factorization.

4131568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1043 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 4131568 is about 2032.6258878603. The cubic root of 4131568 is about 160.4617909000.

The spelling of 4131568 in words is "four million, one hundred thirty-one thousand, five hundred sixty-eight".