4243680 has 144 divisors (see below), whose sum is σ = 16589664. Its totient is φ = 967680.

The previous prime is 4243667. The next prime is 4243699. The reversal of 4243680 is 863424.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9870 + ... + 10290.

It is an arithmetic number, because the mean of its divisors is an integer number (115206).

Almost surely, 2^4243680 is an apocalyptic number.

4243680 is a gapful number since it is divisible by the number (40) 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 4243680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8294832).

4243680 is an abundant number, since it is smaller than the sum of its proper divisors (12345984).

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

4243680 is a wasteful number, since it uses less digits than its factorization.

4243680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4243680 is about 2060.0194173842. The cubic root of 4243680 is about 161.9002586763.

The spelling of 4243680 in words is "four million, two hundred forty-three thousand, six hundred eighty".