4086720 has 224 divisors, whose sum is σ = 16093440. Its totient is φ = 967680.

The previous prime is 4086713. The next prime is 4086721. The reversal of 4086720 is 276804.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4086721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95019 + ... + 95061.

Almost surely, 2^4086720 is an apocalyptic number.

4086720 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 4086720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8046720).

4086720 is an abundant number, since it is smaller than the sum of its proper divisors (12006720).

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

4086720 is a wasteful number, since it uses less digits than its factorization.

4086720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 4086720 is about 2021.5637511590. The cubic root of 4086720 is about 159.8790752973.

The spelling of 4086720 in words is "four million, eighty-six thousand, seven hundred twenty".